Recognised as Colour
#CF421E
- #CF421E
- Red
- Dark
- Nearest: Tomato
#CF421E is a red with RGB values 207, 66, 30 and HSL 12°, 75%, 46%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Tomato.
Colour values
#CF421E#CF421E
HEX#CF421E
RGBrgb(207, 66, 30)
RGB (0–1)0.8118, 0.2588, 0.1176
RGB percentages81.2%, 25.9%, 11.8%
HSLhsl(12.2, 74.7%, 46.5%)
HSV / HSBhsv(12.2, 85.5%, 81.2%)
CMYK0%, 68.1%, 85.5%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,582,878
CSS custom property--colour: #CF421E;
Brightness & contrast
Relative luminance0.17256WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.72:1
Contrast with white4.72:1WCAG normal text: AA
Contrast with black4.45:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#30BDE1
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.72:1WCAG large text: AAA
Contrast with black, large text4.45:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1EABCF
Analogous#CF1E53, #CF9A1E
Triadic#1ECF42, #421ECF
Split complementary#1ECF9B, #1E52CF
Tetradic#52CF1E, #1EABCF, #9B1ECF
Tints, shades & saturation
Channel breakdown
R207
G66
B30
Red207 (81.2%)
Green66 (25.9%)
Blue30 (11.8%)
Hue12.2°
Saturation (HSL)74.68%
Lightness46.47%
Dominant channelRed
Hex per channelR CF · G 42 · B 1E
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