Recognised as Colour

#C10124

#C10124
Red
Dark
Nearest: Firebrick

#C10124 is a red with RGB values 193, 1, 36 and HSL 349°, 99%, 38%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C10124#C10124

HEX#C10124

RGBrgb(193, 1, 36)

RGB (0–1)0.7569, 0.0039, 0.1412

RGB percentages75.7%, 0.4%, 14.1%

HSLhsl(349.1, 99%, 38%)

HSV / HSBhsv(349.1, 99.5%, 75.7%)

CMYK0%, 99.5%, 81.3%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,648,740

CSS custom property--colour: #C10124;

Brightness & contrast

Relative luminance0.11487WCAG 2.x, 0 is black and 1 is white

Perceived brightness106.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.37:1

Contrast with white6.37:1WCAG normal text: AA

Contrast with black3.3:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#3EFEDB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4723no red cones; affects about 1% of men; ΔE 70.3 from the original

Deuteranopia#796C1Bno green cones; the most common form, about 1% of men; ΔE 70.2 from the original

Tritanopia#D50016no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.37:1WCAG large text: AAA

Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Firebrick · ΔE 9.7 Crimson · ΔE 10.1 Brown · ΔE 18 Dark red · ΔE 19.1 Maroon · ΔE 22.9 Tomato · ΔE 24.3

Nearest named CSS colourFirebrick (#B22222)ΔE 9.66, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#01C19E

Analogous#C10184, #C13E01

Triadic#24C101, #0124C1

Split complementary#01C13E, #0184C1

Tetradic#84C101, #01C19E, #3E01C1

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FE90A4

Lighter +30%#FE5D7A

Lighter +20%#FE2A51

Lighter +10%#F4012D

Darker −10%#8E011B

Darker −20%#5C0011

Darker −30%#290008

Darker −40%#000000

More saturated +25%#C20023

Less saturated −25%#A91933

Channel breakdown

R193

B36

Red193 (75.7%)

Green1 (0.4%)

Blue36 (14.1%)

Hue349.06°

Saturation (HSL)98.97%

Lightness38.04%

Dominant channelRed

Hex per channelR C1 · G 01 · B 24

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C10124 (chemical formula)

Formula
121,599.364 g/mol
10124 atoms

C10124 has a molar mass of 121,599.364 g/mol, made up of 10124 atoms across 1 element: 10124 × C.

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Molar mass

Molar mass121,599.364 g/mol

Total atoms per molecule10124

Distinct elements1

Mass of one molecule2.0192049 × 10^-19 g

Molecules per gram4.9524443 × 10^18

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

C100%

Carbon (C × 10124)121,599.364 g/mol, 100%

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Elements in this formula

Carbon

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