Recognised as Colour

#B62900

#B62900
Red
Dark
Nearest: Firebrick

#B62900 is a red with RGB values 182, 41, 0 and HSL 14°, 100%, 36%. 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

#B62900#B62900

HEX#B62900

RGBrgb(182, 41, 0)

RGB (0–1)0.7137, 0.1608, 0

RGB percentages71.4%, 16.1%, 0%

HSLhsl(13.5, 100%, 35.7%)

HSV / HSBhsv(13.5, 100%, 71.4%)

CMYK0%, 77.5%, 100%, 28.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,938,048

CSS custom property--colour: #B62900;

Brightness & contrast

Relative luminance0.11531WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.35:1

Contrast with white6.35:1WCAG normal text: AA

Contrast with black3.31:1WCAG normal text: Fail

Greyscale equivalent#444444

Inverted#49D6FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#574B00no red cones; affects about 1% of men; ΔE 59.2 from the original

Deuteranopia#796B00no green cones; the most common form, about 1% of men; ΔE 59.2 from the original

Tritanopia#C90024no blue cones; rare, and affects men and women equally; ΔE 17.9 from the original

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

Contrast with white, large text6.35:1WCAG large text: AAA

Contrast with black, large text3.31:1WCAG large text: AA

Named colours

Firebrick · ΔE 15.7 Dark red · ΔE 17.5 Maroon · ΔE 22.2 Tomato · ΔE 23 Brown · ΔE 23.4 Chocolate · ΔE 23.6

Nearest named CSS colourFirebrick (#B22222)ΔE 15.72, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008DB6

Analogous#B60032, #B68400

Triadic#00B629, #2900B6

Split complementary#00B684, #0032B6

Tetradic#32B600, #008DB6, #8400B6

Tints, shades & saturation

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

Lighter +40%#FF9F83

Lighter +30%#FF7750

Lighter +20%#FF501D

Lighter +10%#E93400

Darker −10%#831E00

Darker −20%#501200

Darker −30%#1D0700

Darker −40%#000000

More saturated +25%#B62900

Less saturated −25%#9F3517

Channel breakdown

R182

G41

Red182 (71.4%)

Green41 (16.1%)

Blue0 (0%)

Hue13.52°

Saturation (HSL)100%

Lightness35.69%

Dominant channelRed

Hex per channelR B6 · G 29 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B62900 (chemical formula)

Formula
679,949 g/mol
62900 atoms

B62900 has a molar mass of 679,949 g/mol, made up of 62900 atoms across 1 element: 62900 × B.

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Molar mass

Molar mass679,949 g/mol

Total atoms per molecule62900

Distinct elements1

Mass of one molecule1.1290819 × 10^-18 g

Molecules per gram8.8567536 × 10^17

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

B100%

Boron (B × 62900)679,949 g/mol, 100%

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Elements in this formula

Boron

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