Colour

#C50025

#C50025
Red
Dark
Nearest: Crimson

#C50025 is a red with RGB values 197, 0, 37 and HSL 349°, 100%, 39%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C50025#C50025

HEX#C50025

RGBrgb(197, 0, 37)

RGB (0–1)0.7725, 0, 0.1451

RGB percentages77.3%, 0%, 14.5%

HSLhsl(348.7, 100%, 38.6%)

HSV / HSBhsv(348.7, 100%, 77.3%)

CMYK0%, 100%, 81.2%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,910,629

CSS custom property--colour: #C50025;

Brightness & contrast

Relative luminance0.12004WCAG 2.x, 0 is black and 1 is white

Perceived brightness108.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.18:1

Contrast with white6.18:1WCAG normal text: AA

Contrast with black3.4:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#3AFFDA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504924no red cones; affects about 1% of men; ΔE 72 from the original

Deuteranopia#7C6E1Cno green cones; the most common form, about 1% of men; ΔE 71 from the original

Tritanopia#DA0016no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original

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

Contrast with white, large text6.18:1WCAG large text: AAA

Contrast with black, large text3.4:1WCAG large text: AA

Named colours

Crimson · ΔE 9.3 Firebrick · ΔE 11 Brown · ΔE 19.4 Dark red · ΔE 20.4 Tomato · ΔE 23.8 Maroon · ΔE 24.3

Nearest named CSS colourCrimson (#DC143C)ΔE 9.29, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C5A0

Analogous#C50087, #C53E00

Triadic#25C500, #0025C5

Split complementary#00C53E, #0087C5

Tetradic#87C500, #00C5A0, #3E00C5

Tints, shades & saturation

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

Lighter +40%#FF92A6

Lighter +30%#FF5F7D

Lighter +20%#FF2C54

Lighter +10%#F8002F

Darker −10%#92001B

Darker −20%#5F0012

Darker −30%#2C0008

Darker −40%#000000

More saturated +25%#C50025

Less saturated −25%#AC1934

Channel breakdown

R197

B37

Red197 (77.3%)

Green0 (0%)

Blue37 (14.5%)

Hue348.73°

Saturation (HSL)100%

Lightness38.63%

Dominant channelRed

Hex per channelR C5 · G 00 · B 25

Keep nerding

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

#C50025

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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