Recognised as Colour
#DE403B
- #DE403B
- Red
- Dark
- Nearest: Crimson
#DE403B is a red with RGB values 222, 64, 59 and HSL 2°, 71%, 55%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#DE403B#DE403B
HEX#DE403B
RGBrgb(222, 64, 59)
RGB (0–1)0.8706, 0.251, 0.2314
RGB percentages87.1%, 25.1%, 23.1%
HSLhsl(1.8, 71.2%, 55.1%)
HSV / HSBhsv(1.8, 73.4%, 87.1%)
CMYK0%, 71.2%, 73.4%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,565,435
CSS custom property--colour: #DE403B;
Brightness & contrast
Relative luminance0.19512WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.9:1
Contrast with white4.28:1WCAG normal text: Fail
Contrast with black4.9:1WCAG normal text: AA
Greyscale equivalent#616161
Inverted#21BFC4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.28:1WCAG large text: AA
Contrast with black, large text4.9:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3BD9DE
Analogous#DE3B87, #DE923B
Triadic#3BDE40, #403BDE
Split complementary#3BDE92, #3B88DE
Tetradic#88DE3B, #3BD9DE, #913BDE
Tints, shades & saturation
Channel breakdown
R222
G64
B59
Red222 (87.1%)
Green64 (25.1%)
Blue59 (23.1%)
Hue1.84°
Saturation (HSL)71.18%
Lightness55.1%
Dominant channelRed
Hex per channelR DE · G 40 · B 3B
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