Recognised as Colour
#CD5B53
- #CD5B53
- Red
- Dark
- Nearest: Indian red
#CD5B53 is a red with RGB values 205, 91, 83 and HSL 4°, 55%, 56%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#CD5B53#CD5B53
HEX#CD5B53
RGBrgb(205, 91, 83)
RGB (0–1)0.8039, 0.3569, 0.3255
RGB percentages80.4%, 35.7%, 32.5%
HSLhsl(3.9, 55%, 56.5%)
HSV / HSBhsv(3.9, 59.5%, 80.4%)
CMYK0%, 55.6%, 59.5%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,458,259
CSS custom property--colour: #CD5B53;
Brightness & contrast
Relative luminance0.21086WCAG 2.x, 0 is black and 1 is white
Perceived brightness135 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.22:1
Contrast with white4.03:1WCAG normal text: Fail
Contrast with black5.22:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#32A4AC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.03:1WCAG large text: AA
Contrast with black, large text5.22:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#53C5CD
Analogous#CD5388, #CD9853
Triadic#53CD5B, #5B53CD
Split complementary#53CD98, #5388CD
Tetradic#88CD53, #53C5CD, #9853CD
Tints, shades & saturation
Channel breakdown
R205
G91
B83
Red205 (80.4%)
Green91 (35.7%)
Blue83 (32.5%)
Hue3.93°
Saturation (HSL)54.95%
Lightness56.47%
Dominant channelRed
Hex per channelR CD · G 5B · B 53
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Harmonies
Similar named colours
Also reads as
Cd5B53 (chemical formula)
- Formula
- 1,134.98 g/mol
- 58 atoms
Cd5B53 has a molar mass of 1,134.98 g/mol, made up of 58 atoms across 2 elements: 5 × Cd, 53 × B.
Molar mass
Molar mass1,134.98 g/mol
Total atoms per molecule58
Distinct elements2
Mass of one molecule1.8846786 × 10^-21 g
Molecules per gram5.3059444 × 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
Cd49.5%
B50.5%
Cadmium (Cd × 5)562.05 g/mol, 49.521%
Boron (B × 53)572.93 g/mol, 50.479%
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