Recognised as Colour
#CB3172
- #CB3172
- Red
- Dark
- Nearest: Medium violet red
#CB3172 is a red with RGB values 203, 49, 114 and HSL 335°, 61%, 49%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Medium violet red.
Colour values
#CB3172#CB3172
HEX#CB3172
RGBrgb(203, 49, 114)
RGB (0–1)0.7961, 0.1922, 0.4471
RGB percentages79.6%, 19.2%, 44.7%
HSLhsl(334.7, 61.1%, 49.4%)
HSV / HSBhsv(334.7, 75.9%, 79.6%)
CMYK0%, 75.9%, 43.8%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,316,466
CSS custom property--colour: #CB3172;
Brightness & contrast
Relative luminance0.16108WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#34CE8D
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#31CB8A
Analogous#CB31BF, #CB3D31
Triadic#72CB31, #3172CB
Split complementary#31CB3D, #31BFCB
Tetradic#BFCB31, #31CB8A, #3D31CB
Tints, shades & saturation
Channel breakdown
R203
G49
B114
Red203 (79.6%)
Green49 (19.2%)
Blue114 (44.7%)
Hue334.68°
Saturation (HSL)61.11%
Lightness49.41%
Dominant channelRed
Hex per channelR CB · G 31 · B 72
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Harmonies
Similar named colours
Also reads as
CB3172 (chemical formula)
- Formula
- 34,301.331 g/mol
- 3173 atoms
CB3172 has a molar mass of 34,301.331 g/mol, made up of 3173 atoms across 2 elements: 1 × C, 3172 × B.
Molar mass
Molar mass34,301.331 g/mol
Total atoms per molecule3173
Distinct elements2
Mass of one molecule5.69587 × 10^-20 g
Molecules per gram1.755658 × 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, 0.035%
Boron (B × 3172)34,289.32 g/mol, 99.965%
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