Recognised as Colour

#CD152C

#CD152C
Red
Dark
Nearest: Crimson

#CD152C is a red with RGB values 205, 21, 44 and HSL 353°, 81%, 44%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CD152C#CD152C

HEX#CD152C

RGBrgb(205, 21, 44)

RGB (0–1)0.8039, 0.0824, 0.1725

RGB percentages80.4%, 8.2%, 17.3%

HSLhsl(352.5, 81.4%, 44.3%)

HSV / HSBhsv(352.5, 89.8%, 80.4%)

CMYK0%, 89.8%, 78.5%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,440,300

CSS custom property--colour: #CD152C;

Brightness & contrast

Relative luminance0.13697WCAG 2.x, 0 is black and 1 is white

Perceived brightness114.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.62:1

Contrast with white5.62:1WCAG normal text: AA

Contrast with black3.74:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#32EAD3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#574F2Bno red cones; affects about 1% of men; ΔE 71.4 from the original

Deuteranopia#827524no green cones; the most common form, about 1% of men; ΔE 71.6 from the original

Tritanopia#E20022no blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text5.62:1WCAG large text: AAA

Contrast with black, large text3.74:1WCAG large text: AA

Named colours

Crimson · ΔE 7.4 Firebrick · ΔE 11.5 Brown · ΔE 19.6 Tomato · ΔE 21.8 Dark red · ΔE 22.2 Maroon · ΔE 25.9

Nearest named CSS colourCrimson (#DC143C)ΔE 7.44, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15CDB6

Analogous#CD1588, #CD5A15

Triadic#2CCD15, #152CCD

Split complementary#15CD5A, #1588CD

Tetradic#88CD15, #15CDB6, #5A15CD

Tints, shades & saturation

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

Lighter +40%#F8B6BF

Lighter +30%#F38896

Lighter +20%#EE5A6C

Lighter +10%#E92C43

Darker −10%#9F1022

Darker −20%#700C18

Darker −30%#42070E

Darker −40%#140204

More saturated +25%#E2001C

Less saturated −25%#B13141

Channel breakdown

R205

G21

B44

Red205 (80.4%)

Green21 (8.2%)

Blue44 (17.3%)

Hue352.5°

Saturation (HSL)81.42%

Lightness44.31%

Dominant channelRed

Hex per channelR CD · G 15 · B 2C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Cd152C (chemical formula)

Formula
17,098.331 g/mol
153 atoms

Cd152C has a molar mass of 17,098.331 g/mol, made up of 153 atoms across 2 elements: 152 × Cd, 1 × C.

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Molar mass

Molar mass17,098.331 g/mol

Total atoms per molecule153

Distinct elements2

Mass of one molecule2.8392447 × 10^-20 g

Molecules per gram3.5220635 × 10^19

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

Cd99.9%

C0.1%

Cadmium (Cd × 152)17,086.32 g/mol, 99.93%

Carbon (C)12.011 g/mol, 0.07%

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