Recognised as Colour
#B23657
- #B23657
- Red
- Dark
- Nearest: Indian red
#B23657 is a red with RGB values 178, 54, 87 and HSL 344°, 53%, 45%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#B23657#B23657
HEX#B23657
RGBrgb(178, 54, 87)
RGB (0–1)0.698, 0.2118, 0.3412
RGB percentages69.8%, 21.2%, 34.1%
HSLhsl(344, 53.4%, 45.5%)
HSV / HSBhsv(344, 69.7%, 69.8%)
CMYK0%, 69.7%, 51.1%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,679,319
CSS custom property--colour: #B23657;
Brightness & contrast
Relative luminance0.12791WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.9:1
Contrast with white5.9:1WCAG normal text: AA
Contrast with black3.56:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#4DC9A8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.9:1WCAG large text: AAA
Contrast with black, large text3.56:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#36B291
Analogous#B23695, #B25336
Triadic#57B236, #3657B2
Split complementary#36B253, #3695B2
Tetradic#95B236, #36B291, #5336B2
Tints, shades & saturation
Channel breakdown
R178
G54
B87
Red178 (69.8%)
Green54 (21.2%)
Blue87 (34.1%)
Hue344.03°
Saturation (HSL)53.45%
Lightness45.49%
Dominant channelRed
Hex per channelR B2 · G 36 · B 57
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Harmonies
Similar named colours
Also reads as
B23657 (chemical formula)
- Formula
- 255,732.17 g/mol
- 23657 atoms
B23657 has a molar mass of 255,732.17 g/mol, made up of 23657 atoms across 1 element: 23657 × B.
Molar mass
Molar mass255,732.17 g/mol
Total atoms per molecule23657
Distinct elements1
Mass of one molecule4.2465326 × 10^-19 g
Molecules per gram2.3548624 × 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
B100%
Boron (B × 23657)255,732.17 g/mol, 100%
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