Recognised as Colour
#D20521
- #D20521
- Red
- Dark
- Nearest: Crimson
#D20521 is a red with RGB values 210, 5, 33 and HSL 352°, 95%, 42%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#D20521#D20521
HEX#D20521
RGBrgb(210, 5, 33)
RGB (0–1)0.8235, 0.0196, 0.1294
RGB percentages82.4%, 2%, 12.9%
HSLhsl(351.8, 95.3%, 42.2%)
HSV / HSBhsv(351.8, 97.6%, 82.4%)
CMYK0%, 97.6%, 84.3%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,763,873
CSS custom property--colour: #D20521;
Brightness & contrast
Relative luminance0.1392WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.55:1
Contrast with white5.55:1WCAG normal text: AA
Contrast with black3.78:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#2DFADE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.55:1WCAG large text: AAA
Contrast with black, large text3.78:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#05D2B6
Analogous#D20588, #D25005
Triadic#21D205, #0521D2
Split complementary#05D250, #0588D2
Tetradic#87D205, #05D2B6, #4F05D2
Tints, shades & saturation
Channel breakdown
R210
G5
B33
Red210 (82.4%)
Green5 (2%)
Blue33 (12.9%)
Hue351.8°
Saturation (HSL)95.35%
Lightness42.16%
Dominant channelRed
Hex per channelR D2 · G 05 · B 21
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page