Recognised as Colour

#CD1D2F

#CD1D2F
Red
Dark
Nearest: Crimson

#CD1D2F is a red with RGB values 205, 29, 47 and HSL 354°, 75%, 46%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CD1D2F#CD1D2F

HEX#CD1D2F

RGBrgb(205, 29, 47)

RGB (0–1)0.8039, 0.1137, 0.1843

RGB percentages80.4%, 11.4%, 18.4%

HSLhsl(353.9, 75.2%, 45.9%)

HSV / HSBhsv(353.9, 85.9%, 80.4%)

CMYK0%, 85.9%, 77.1%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,442,351

CSS custom property--colour: #CD1D2F;

Brightness & contrast

Relative luminance0.14063WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.51:1

Contrast with white5.51:1WCAG normal text: AA

Contrast with black3.81:1WCAG normal text: Fail

Greyscale equivalent#444444

Inverted#32E2D0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#59512Eno red cones; affects about 1% of men; ΔE 69.9 from the original

Deuteranopia#837628no green cones; the most common form, about 1% of men; ΔE 70.1 from the original

Tritanopia#E20027no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original

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

Contrast with white, large text5.51:1WCAG large text: AAA

Contrast with black, large text3.81:1WCAG large text: AA

Named colours

Crimson · ΔE 7.5 Firebrick · ΔE 10.5 Brown · ΔE 18.2 Tomato · ΔE 21.3 Dark red · ΔE 21.9 Maroon · ΔE 25.4

Nearest named CSS colourCrimson (#DC143C)ΔE 7.46, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DCDBB

Analogous#CD1D87, #CD631D

Triadic#2FCD1D, #1D2FCD

Split complementary#1DCD63, #1D87CD

Tetradic#87CD1D, #1DCDBB, #631DCD

Tints, shades & saturation

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

Lighter +40%#F6C0C5

Lighter +30%#F0939D

Lighter +20%#E96774

Lighter +10%#E33A4B

Darker −10%#A01725

Darker −20%#74101B

Darker −30%#470A10

Darker −40%#1A0406

More saturated +25%#EA0018

Less saturated −25%#B03A46

Channel breakdown

R205

G29

B47

Red205 (80.4%)

Green29 (11.4%)

Blue47 (18.4%)

Hue353.86°

Saturation (HSL)75.21%

Lightness45.88%

Dominant channelRed

Hex per channelR CD · G 1D · B 2F

Keep nerding

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

#CD1D2F

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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