Recognised as Colour
#CB3349
- #CB3349
- Red
- Dark
- Nearest: Crimson
#CB3349 is a red with RGB values 203, 51, 73 and HSL 351°, 60%, 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 Crimson.
Colour values
#CB3349#CB3349
HEX#CB3349
RGBrgb(203, 51, 73)
RGB (0–1)0.7961, 0.2, 0.2863
RGB percentages79.6%, 20%, 28.6%
HSLhsl(351.3, 59.8%, 49.8%)
HSV / HSBhsv(351.3, 74.9%, 79.6%)
CMYK0%, 74.9%, 64%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,316,937
CSS custom property--colour: #CB3349;
Brightness & contrast
Relative luminance0.15545WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.11:1
Contrast with white5.11:1WCAG normal text: AA
Contrast with black4.11:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#34CCB6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.11:1WCAG large text: AAA
Contrast with black, large text4.11:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#33CBB5
Analogous#CB3395, #CB6933
Triadic#49CB33, #3349CB
Split complementary#33CB69, #3395CB
Tetradic#95CB33, #33CBB5, #6933CB
Tints, shades & saturation
Channel breakdown
R203
G51
B73
Red203 (79.6%)
Green51 (20%)
Blue73 (28.6%)
Hue351.32°
Saturation (HSL)59.84%
Lightness49.8%
Dominant channelRed
Hex per channelR CB · G 33 · B 49
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Also reads as
CB3349 (chemical formula)
- Formula
- 36,214.701 g/mol
- 3350 atoms
CB3349 has a molar mass of 36,214.701 g/mol, made up of 3350 atoms across 2 elements: 1 × C, 3349 × B.
Molar mass
Molar mass36,214.701 g/mol
Total atoms per molecule3350
Distinct elements2
Mass of one molecule6.0135926 × 10^-20 g
Molecules per gram1.6628995 × 10^19
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, 0.033%
Boron (B × 3349)36,202.69 g/mol, 99.967%
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