Recognised as Colour
#D5372D
- #D5372D
- Red
- Dark
- Nearest: Firebrick
#D5372D is a red with RGB values 213, 55, 45 and HSL 4°, 67%, 51%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#D5372D#D5372D
HEX#D5372D
RGBrgb(213, 55, 45)
RGB (0–1)0.8353, 0.2157, 0.1765
RGB percentages83.5%, 21.6%, 17.6%
HSLhsl(3.6, 66.7%, 50.6%)
HSV / HSBhsv(3.6, 78.9%, 83.5%)
CMYK0%, 74.2%, 78.9%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,973,293
CSS custom property--colour: #D5372D;
Brightness & contrast
Relative luminance0.17068WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.76:1
Contrast with white4.76:1WCAG normal text: AA
Contrast with black4.41:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#2AC8D2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.76:1WCAG large text: AAA
Contrast with black, large text4.41:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2DCBD5
Analogous#D52D77, #D58B2D
Triadic#2DD537, #372DD5
Split complementary#2DD58B, #2D77D5
Tetradic#77D52D, #2DCBD5, #8B2DD5
Tints, shades & saturation
Channel breakdown
R213
G55
B45
Red213 (83.5%)
Green55 (21.6%)
Blue45 (17.6%)
Hue3.57°
Saturation (HSL)66.67%
Lightness50.59%
Dominant channelRed
Hex per channelR D5 · G 37 · B 2D
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