Recognised as Colour
#B30E01
- #B30E01
- Red
- Dark
- Nearest: Firebrick
#B30E01 is a red with RGB values 179, 14, 1 and HSL 4°, 99%, 35%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Firebrick.
Colour values
#B30E01#B30E01
HEX#B30E01
RGBrgb(179, 14, 1)
RGB (0–1)0.702, 0.0549, 0.0039
RGB percentages70.2%, 5.5%, 0.4%
HSLhsl(4.4, 98.9%, 35.3%)
HSV / HSBhsv(4.4, 99.4%, 70.2%)
CMYK0%, 92.2%, 99.4%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,734,529
CSS custom property--colour: #B30E01;
Brightness & contrast
Relative luminance0.099WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.05:1
Contrast with white7.05:1WCAG normal text: AAA
Contrast with black2.98:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#4CF1FE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.05:1WCAG large text: AAA
Contrast with black, large text2.98:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#01A6B3
Analogous#B3014D, #B36701
Triadic#01B30E, #0E01B3
Split complementary#01B367, #014DB3
Tetradic#4DB301, #01A6B3, #6701B3
Tints, shades & saturation
Channel breakdown
R179
G14
B1
Red179 (70.2%)
Green14 (5.5%)
Blue1 (0.4%)
Hue4.38°
Saturation (HSL)98.89%
Lightness35.29%
Dominant channelRed
Hex per channelR B3 · G 0E · B 01
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