Recognised as Colour
#CD2631
- #CD2631
- Red
- Dark
- Nearest: Crimson
#CD2631 is a red with RGB values 205, 38, 49 and HSL 356°, 69%, 48%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#CD2631#CD2631
HEX#CD2631
RGBrgb(205, 38, 49)
RGB (0–1)0.8039, 0.149, 0.1922
RGB percentages80.4%, 14.9%, 19.2%
HSLhsl(356, 68.7%, 47.6%)
HSV / HSBhsv(356, 81.5%, 80.4%)
CMYK0%, 81.5%, 76.1%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,444,657
CSS custom property--colour: #CD2631;
Brightness & contrast
Relative luminance0.14587WCAG 2.x, 0 is black and 1 is white
Perceived brightness117 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.36:1
Contrast with white5.36:1WCAG normal text: AA
Contrast with black3.92:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#32D9CE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.36:1WCAG large text: AAA
Contrast with black, large text3.92:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#26CDC2
Analogous#CD2685, #CD6E26
Triadic#31CD26, #2631CD
Split complementary#26CD6E, #2685CD
Tetradic#85CD26, #26CDC2, #6E26CD
Tints, shades & saturation
Channel breakdown
R205
G38
B49
Red205 (80.4%)
Green38 (14.9%)
Blue49 (19.2%)
Hue356.05°
Saturation (HSL)68.72%
Lightness47.65%
Dominant channelRed
Hex per channelR CD · G 26 · B 31
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Also reads as
Cd2631 (chemical formula)
- Formula
- 295,750.71 g/mol
- 2631 atoms
Cd2631 has a molar mass of 295,750.71 g/mol, made up of 2631 atoms across 1 element: 2631 × Cd.
Molar mass
Molar mass295,750.71 g/mol
Total atoms per molecule2631
Distinct elements1
Mass of one molecule4.9110561 × 10^-19 g
Molecules per gram2.0362219 × 10^18
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
Cd100%
Cadmium (Cd × 2631)295,750.71 g/mol, 100%
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