Colour

#90102C

#90102C
Red
Dark
Nearest: Brown

#90102C is a red with RGB values 144, 16, 44 and HSL 347°, 80%, 31%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#90102C#90102C

HEX#90102C

RGBrgb(144, 16, 44)

RGB (0–1)0.5647, 0.0627, 0.1725

RGB percentages56.5%, 6.3%, 17.3%

HSLhsl(346.9, 80%, 31.4%)

HSV / HSBhsv(346.9, 88.9%, 56.5%)

CMYK0%, 88.9%, 69.4%, 43.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,441,324

CSS custom property--colour: #90102C;

Brightness & contrast

Relative luminance0.06482WCAG 2.x, 0 is black and 1 is white

Perceived brightness81.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.14:1

Contrast with white9.14:1WCAG normal text: AAA

Contrast with black2.3:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#6FEFD3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3A372Cno red cones; affects about 1% of men; ΔE 53.9 from the original

Deuteranopia#5A5128no green cones; the most common form, about 1% of men; ΔE 53.8 from the original

Tritanopia#9F001Dno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original

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

Contrast with white, large text9.14:1WCAG large text: AAA

Contrast with black, large text2.3:1WCAG large text: Fail

Named colours

Brown · ΔE 12.7 Maroon · ΔE 19 Firebrick · ΔE 20.2 Dark red · ΔE 21.5 Indian red · ΔE 23.7 Crimson · ΔE 29.2

Nearest named CSS colourBrown (#A52A2A)ΔE 12.7, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#109074

Analogous#90106C, #903410

Triadic#2C9010, #102C90

Split complementary#109034, #106C90

Tetradic#6C9010, #109074, #341090

Tints, shades & saturation

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

Lighter +40%#F07C95

Lighter +30%#EB4E70

Lighter +20%#E6204B

Lighter +10%#BE153A

Darker −10%#620B1E

Darker −20%#340610

Darker −30%#060102

Darker −40%#000000

More saturated +25%#A00023

Less saturated −25%#7C2437

Channel breakdown

R144

G16

B44

Red144 (56.5%)

Green16 (6.3%)

Blue44 (17.3%)

Hue346.88°

Saturation (HSL)80%

Lightness31.37%

Dominant channelRed

Hex per channelR 90 · G 10 · B 2C

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#90102C

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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