Colour

#C61B31

#C61B31
Red
Dark
Nearest: Crimson

#C61B31 is a red with RGB values 198, 27, 49 and HSL 352°, 76%, 44%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C61B31#C61B31

HEX#C61B31

RGBrgb(198, 27, 49)

RGB (0–1)0.7765, 0.1059, 0.1922

RGB percentages77.6%, 10.6%, 19.2%

HSLhsl(352.3, 76%, 44.1%)

HSV / HSBhsv(352.3, 86.4%, 77.6%)

CMYK0%, 86.4%, 75.3%, 22.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,983,089

CSS custom property--colour: #C61B31;

Brightness & contrast

Relative luminance0.13011WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.83:1

Contrast with white5.83:1WCAG normal text: AA

Contrast with black3.6:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#39E4CE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554E30no red cones; affects about 1% of men; ΔE 68.2 from the original

Deuteranopia#7E722Ano green cones; the most common form, about 1% of men; ΔE 68.7 from the original

Tritanopia#DA0026no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original

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

Contrast with white, large text5.83:1WCAG large text: AAA

Contrast with black, large text3.6:1WCAG large text: AA

Named colours

Crimson · ΔE 8.4 Firebrick · ΔE 9.3 Brown · ΔE 15.4 Dark red · ΔE 20.7 Maroon · ΔE 23.6 Tomato · ΔE 23.7

Nearest named CSS colourCrimson (#DC143C)ΔE 8.41, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1BC6B0

Analogous#C61B87, #C65B1B

Triadic#31C61B, #1B31C6

Split complementary#1BC65B, #1B86C6

Tetradic#86C61B, #1BC6B0, #5A1BC6

Tints, shades & saturation

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

Lighter +40%#F5B8C0

Lighter +30%#EF8B98

Lighter +20%#E95E70

Lighter +10%#E33148

Darker −10%#991526

Darker −20%#6C0F1B

Darker −30%#3F0910

Darker −40%#120305

More saturated +25%#E1001D

Less saturated −25%#AA3746

Channel breakdown

R198

G27

B49

Red198 (77.6%)

Green27 (10.6%)

Blue49 (19.2%)

Hue352.28°

Saturation (HSL)76%

Lightness44.12%

Dominant channelRed

Hex per channelR C6 · G 1B · B 31

Keep nerding

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

#C61B31

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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