Recognised as Colour
#E1553A
- #E1553A
- Red
- Dark
- Nearest: Tomato
#E1553A is a red with RGB values 225, 85, 58 and HSL 10°, 74%, 55%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Tomato.
Colour values
#E1553A#E1553A
HEX#E1553A
RGBrgb(225, 85, 58)
RGB (0–1)0.8824, 0.3333, 0.2275
RGB percentages88.2%, 33.3%, 22.7%
HSLhsl(9.7, 73.6%, 55.5%)
HSV / HSBhsv(9.7, 74.2%, 88.2%)
CMYK0%, 62.2%, 74.2%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,767,418
CSS custom property--colour: #E1553A;
Brightness & contrast
Relative luminance0.2281WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.56:1
Contrast with white3.78:1WCAG normal text: Fail
Contrast with black5.56:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#1EAAC5
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.78:1WCAG large text: AA
Contrast with black, large text5.56:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3AC6E1
Analogous#E13A72, #E1A93A
Triadic#3AE155, #553AE1
Split complementary#3AE1A9, #3A72E1
Tetradic#72E13A, #3AC6E1, #A93AE1
Tints, shades & saturation
Channel breakdown
R225
G85
B58
Red225 (88.2%)
Green85 (33.3%)
Blue58 (22.7%)
Hue9.7°
Saturation (HSL)73.57%
Lightness55.49%
Dominant channelRed
Hex per channelR E1 · G 55 · B 3A
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