Recognised as Colour
#CB9387
- #CB9387
- Red
- Dark
- Nearest: Rosy brown
#CB9387 is a red with RGB values 203, 147, 135 and HSL 11°, 40%, 66%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Rosy brown.
Colour values
#CB9387#CB9387
HEX#CB9387
RGBrgb(203, 147, 135)
RGB (0–1)0.7961, 0.5765, 0.5294
RGB percentages79.6%, 57.6%, 52.9%
HSLhsl(10.6, 39.5%, 66.3%)
HSV / HSBhsv(10.6, 33.5%, 79.6%)
CMYK0%, 27.6%, 33.5%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,341,575
CSS custom property--colour: #CB9387;
Brightness & contrast
Relative luminance0.35313WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.06:1
Contrast with white2.6:1WCAG normal text: Fail
Contrast with black8.06:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#346C78
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.6:1WCAG large text: Fail
Contrast with black, large text8.06:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#87BFCB
Analogous#CB879D, #CBB587
Triadic#87CB93, #9387CB
Split complementary#87CBB5, #879DCB
Tetradic#9DCB87, #87BFCB, #B587CB
Tints, shades & saturation
Channel breakdown
R203
G147
B135
Red203 (79.6%)
Green147 (57.6%)
Blue135 (52.9%)
Hue10.59°
Saturation (HSL)39.53%
Lightness66.27%
Dominant channelRed
Hex per channelR CB · G 93 · B 87
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Harmonies
Similar named colours
Also reads as
CB9387 (chemical formula)
- Formula
- 101,485.481 g/mol
- 9388 atoms
CB9387 has a molar mass of 101,485.481 g/mol, made up of 9388 atoms across 2 elements: 1 × C, 9387 × B.
Molar mass
Molar mass101,485.481 g/mol
Total atoms per molecule9388
Distinct elements2
Mass of one molecule1.6852061 × 10^-19 g
Molecules per gram5.9339924 × 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
C0%
B100%
Carbon (C)12.011 g/mol, 0.012%
Boron (B × 9387)101,473.47 g/mol, 99.988%
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