Colour
#FF1C00
- #FF1C00
- Red
- Dark
- Nearest: Red
#FF1C00 is a red with RGB values 255, 28, 0 and HSL 7°, 100%, 50%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#FF1C00#FF1C00
HEX#FF1C00
RGBrgb(255, 28, 0)
RGB (0–1)1, 0.1098, 0
RGB percentages100%, 11%, 0%
HSLhsl(6.6, 100%, 50%)
HSV / HSBhsv(6.6, 100%, 100%)
CMYK0%, 89%, 100%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,718,848
CSS custom property--colour: #FF1C00;
Brightness & contrast
Relative luminance0.22091WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.42:1
Contrast with white3.88:1WCAG normal text: Fail
Contrast with black5.42:1WCAG normal text: AA
Greyscale equivalent#4A4A4A
Inverted#00E3FF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.88:1WCAG large text: AA
Contrast with black, large text5.42:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00E3FF
Analogous#FF0064, #FF9B00
Triadic#00FF1C, #1C00FF
Split complementary#00FF9C, #0063FF
Tetradic#63FF00, #00E3FF, #9B00FF
Tints, shades & saturation
Channel breakdown
R255
G28
B0
Red255 (100%)
Green28 (11%)
Blue0 (0%)
Hue6.59°
Saturation (HSL)100%
Lightness50%
Dominant channelRed
Hex per channelR FF · G 1C · B 00
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