Recognised as Colour

#CF211D

#CF211D
Red
Dark
Nearest: Firebrick

#CF211D is a red with RGB values 207, 33, 29 and HSL 1°, 75%, 46%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CF211D#CF211D

HEX#CF211D

RGBrgb(207, 33, 29)

RGB (0–1)0.8118, 0.1294, 0.1137

RGB percentages81.2%, 12.9%, 11.4%

HSLhsl(1.3, 75.4%, 46.3%)

HSV / HSBhsv(1.3, 86%, 81.2%)

CMYK0%, 84.1%, 86%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,574,429

CSS custom property--colour: #CF211D;

Brightness & contrast

Relative luminance0.14442WCAG 2.x, 0 is black and 1 is white

Perceived brightness116.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.4:1

Contrast with white5.4:1WCAG normal text: AA

Contrast with black3.89:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#30DEE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5219no red cones; affects about 1% of men; ΔE 69.3 from the original

Deuteranopia#867710no green cones; the most common form, about 1% of men; ΔE 69.4 from the original

Tritanopia#E50023no blue cones; rare, and affects men and women equally; ΔE 10.6 from the original

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

Contrast with white, large text5.4:1WCAG large text: AAA

Contrast with black, large text3.89:1WCAG large text: AA

Named colours

Firebrick · ΔE 14.3 Crimson · ΔE 15.7 Tomato · ΔE 18.5 Dark red · ΔE 22.3 Brown · ΔE 23.7 Orange red · ΔE 25

Nearest named CSS colourFirebrick (#B22222)ΔE 14.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DCBCF

Analogous#CF1D72, #CF7A1D

Triadic#1DCF21, #211DCF

Split complementary#1DCF7A, #1D72CF

Tetradic#72CF1D, #1DCBCF, #7A1DCF

Tints, shades & saturation

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

Lighter +40%#F6C3C2

Lighter +30%#F09795

Lighter +20%#EA6B68

Lighter +10%#E43F3B

Darker −10%#A21A17

Darker −20%#761310

Darker −30%#490C0A

Darker −40%#1C0404

More saturated +25%#EC0500

Less saturated −25%#B13D3B

Channel breakdown

R207

G33

B29

Red207 (81.2%)

Green33 (12.9%)

Blue29 (11.4%)

Hue1.35°

Saturation (HSL)75.42%

Lightness46.27%

Dominant channelRed

Hex per channelR CF · G 21 · B 1D

Keep nerding

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

#CF211D

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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