Recognised as Colour
#CB343C
- #CB343C
- Red
- Dark
- Nearest: Firebrick
#CB343C is a red with RGB values 203, 52, 60 and HSL 357°, 59%, 50%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#CB343C#CB343C
HEX#CB343C
RGBrgb(203, 52, 60)
RGB (0–1)0.7961, 0.2039, 0.2353
RGB percentages79.6%, 20.4%, 23.5%
HSLhsl(356.8, 59.2%, 50%)
HSV / HSBhsv(356.8, 74.4%, 79.6%)
CMYK0%, 74.4%, 70.4%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,317,180
CSS custom property--colour: #CB343C;
Brightness & contrast
Relative luminance0.15479WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.13:1
Contrast with white5.13:1WCAG normal text: AA
Contrast with black4.1:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#34CBC3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.13:1WCAG large text: AAA
Contrast with black, large text4.1:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#34CBC3
Analogous#CB3488, #CB7734
Triadic#3CCB34, #343CCB
Split complementary#34CB77, #3488CB
Tetradic#88CB34, #34CBC3, #7734CB
Tints, shades & saturation
Channel breakdown
R203
G52
B60
Red203 (79.6%)
Green52 (20.4%)
Blue60 (23.5%)
Hue356.82°
Saturation (HSL)59.22%
Lightness50%
Dominant channelRed
Hex per channelR CB · G 34 · B 3C
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Also reads as
CB343C (chemical formula)
- Formula
- 3,731.852 g/mol
- 345 atoms
CB343C has a molar mass of 3,731.852 g/mol, made up of 345 atoms across 2 elements: 2 × C, 343 × B.
Molar mass
Molar mass3,731.852 g/mol
Total atoms per molecule345
Distinct elements2
Mass of one molecule6.196886 × 10^-21 g
Molecules per gram1.6137137 × 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
C0.6%
B99.4%
Carbon (C × 2)24.022 g/mol, 0.644%
Boron (B × 343)3,707.83 g/mol, 99.356%
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