Colour

#CD161B

#CD161B
Red
Dark
Nearest: Firebrick

#CD161B is a red with RGB values 205, 22, 27 and HSL 358°, 81%, 45%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD161B#CD161B

HEX#CD161B

RGBrgb(205, 22, 27)

RGB (0–1)0.8039, 0.0863, 0.1059

RGB percentages80.4%, 8.6%, 10.6%

HSLhsl(358.4, 80.6%, 44.5%)

HSV / HSBhsv(358.4, 89.3%, 80.4%)

CMYK0%, 89.3%, 86.8%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,440,539

CSS custom property--colour: #CD161B;

Brightness & contrast

Relative luminance0.13632WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.64:1

Contrast with white5.64:1WCAG normal text: AA

Contrast with black3.73:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#32E9E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#594F17no red cones; affects about 1% of men; ΔE 71.2 from the original

Deuteranopia#83750Cno green cones; the most common form, about 1% of men; ΔE 71.4 from the original

Tritanopia#E2001Cno blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

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

Contrast with white, large text5.64:1WCAG large text: AAA

Contrast with black, large text3.73:1WCAG large text: AA

Named colours

Firebrick · ΔE 14.7 Crimson · ΔE 15.2 Tomato · ΔE 20.2 Dark red · ΔE 22.4 Brown · ΔE 24.2 Orange red · ΔE 25.6

Nearest named CSS colourFirebrick (#B22222)ΔE 14.71, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#16CDC8

Analogous#CD1676, #CD6D16

Triadic#1BCD16, #161BCD

Split complementary#16CD6D, #1676CD

Tetradic#77CD16, #16CDC8, #6D16CD

Tints, shades & saturation

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

Lighter +40%#F7B8B9

Lighter +30%#F28A8C

Lighter +20%#ED5C60

Lighter +10%#E92D33

Darker −10%#9F1115

Darker −20%#710C0F

Darker −30%#430709

Darker −40%#150203

More saturated +25%#E30006

Less saturated −25%#B13236

Channel breakdown

R205

G22

B27

Red205 (80.4%)

Green22 (8.6%)

Blue27 (10.6%)

Hue358.36°

Saturation (HSL)80.62%

Lightness44.51%

Dominant channelRed

Hex per channelR CD · G 16 · B 1B

Keep nerding

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

#CD161B

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