Colour

#8A0038

#8A0038
Red
Dark
Nearest: Brown

#8A0038 is a red with RGB values 138, 0, 56 and HSL 336°, 100%, 27%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8A0038#8A0038

HEX#8A0038

RGBrgb(138, 0, 56)

RGB (0–1)0.5412, 0, 0.2196

RGB percentages54.1%, 0%, 22%

HSLhsl(335.7, 100%, 27.1%)

HSV / HSBhsv(335.7, 100%, 54.1%)

CMYK0%, 100%, 59.4%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,044,024

CSS custom property--colour: #8A0038;

Brightness & contrast

Relative luminance0.05689WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.82:1

Contrast with white9.82:1WCAG normal text: AAA

Contrast with black2.14:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#75FFC7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#313339no red cones; affects about 1% of men; ΔE 54.3 from the original

Deuteranopia#524C35no green cones; the most common form, about 1% of men; ΔE 54.8 from the original

Tritanopia#98001Eno blue cones; rare, and affects men and women equally; ΔE 21.4 from the original

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

Contrast with white, large text9.82:1WCAG large text: AAA

Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Brown · ΔE 23.4 Indian red · ΔE 29.1 Maroon · ΔE 29.5 Firebrick · ΔE 30.6 Dark red · ΔE 32.3 Pale violetred · ΔE 33.9

Nearest named CSS colourBrown (#A52A2A)ΔE 23.44, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008A52

Analogous#8A007D, #8A0D00

Triadic#388A00, #00388A

Split complementary#008A0D, #007D8A

Tetradic#7D8A00, #008A52, #0D008A

Tints, shades & saturation

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

Lighter +40%#FF579B

Lighter +30%#FF247D

Lighter +20%#F00061

Lighter +10%#BD004D

Darker −10%#570023

Darker −20%#24000F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#8A0038

Less saturated −25%#79113B

Channel breakdown

R138

B56

Red138 (54.1%)

Green0 (0%)

Blue56 (22%)

Hue335.65°

Saturation (HSL)100%

Lightness27.06%

Dominant channelRed

Hex per channelR 8A · G 00 · B 38

Keep nerding

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

#8A0038

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

Nerdulate something else