Recognised as Colour
#CD1B52
- #CD1B52
- Red
- Dark
- Nearest: Crimson
#CD1B52 is a red with RGB values 205, 27, 82 and HSL 341°, 77%, 45%. 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
#CD1B52#CD1B52
HEX#CD1B52
RGBrgb(205, 27, 82)
RGB (0–1)0.8039, 0.1059, 0.3216
RGB percentages80.4%, 10.6%, 32.2%
HSLhsl(341.5, 76.7%, 45.5%)
HSV / HSBhsv(341.5, 86.8%, 80.4%)
CMYK0%, 86.8%, 60%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,441,874
CSS custom property--colour: #CD1B52;
Brightness & contrast
Relative luminance0.14372WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.42:1
Contrast with white5.42:1WCAG normal text: AA
Contrast with black3.87:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#32E4AD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.42:1WCAG large text: AAA
Contrast with black, large text3.87:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1BCD96
Analogous#CD1BAB, #CD3D1B
Triadic#52CD1B, #1B52CD
Split complementary#1BCD3D, #1BABCD
Tetradic#ABCD1B, #1BCD96, #3D1BCD
Tints, shades & saturation
Channel breakdown
R205
G27
B82
Red205 (80.4%)
Green27 (10.6%)
Blue82 (32.2%)
Hue341.46°
Saturation (HSL)76.72%
Lightness45.49%
Dominant channelRed
Hex per channelR CD · G 1B · B 52
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Also reads as
Cd1B52 (chemical formula)
- Formula
- 674.53 g/mol
- 53 atoms
Cd1B52 has a molar mass of 674.53 g/mol, made up of 53 atoms across 2 elements: 1 × Cd, 52 × B.
Molar mass
Molar mass674.53 g/mol
Total atoms per molecule53
Distinct elements2
Mass of one molecule1.1200834 × 10^-21 g
Molecules per gram8.9279065 × 10^20
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
Cd16.7%
B83.3%
Cadmium (Cd)112.41 g/mol, 16.665%
Boron (B × 52)562.12 g/mol, 83.335%
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