Recognised as Colour
#CB6552
- #CB6552
- Red
- Dark
- Nearest: Indian red
#CB6552 is a red with RGB values 203, 101, 82 and HSL 9°, 54%, 56%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#CB6552#CB6552
HEX#CB6552
RGBrgb(203, 101, 82)
RGB (0–1)0.7961, 0.3961, 0.3216
RGB percentages79.6%, 39.6%, 32.2%
HSLhsl(9.4, 53.8%, 55.9%)
HSV / HSBhsv(9.4, 59.6%, 79.6%)
CMYK0%, 50.2%, 59.6%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,329,746
CSS custom property--colour: #CB6552;
Brightness & contrast
Relative luminance0.22613WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.52:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.52:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#349AAD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.52:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#52B8CB
Analogous#CB527C, #CBA152
Triadic#52CB65, #6552CB
Split complementary#52CBA1, #527CCB
Tetradic#7CCB52, #52B8CB, #A152CB
Tints, shades & saturation
Channel breakdown
R203
G101
B82
Red203 (79.6%)
Green101 (39.6%)
Blue82 (32.2%)
Hue9.42°
Saturation (HSL)53.78%
Lightness55.88%
Dominant channelRed
Hex per channelR CB · G 65 · B 52
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Harmonies
Similar named colours
Also reads as
CB6552 (chemical formula)
- Formula
- 70,839.131 g/mol
- 6553 atoms
CB6552 has a molar mass of 70,839.131 g/mol, made up of 6553 atoms across 2 elements: 1 × C, 6552 × B.
Molar mass
Molar mass70,839.131 g/mol
Total atoms per molecule6553
Distinct elements2
Mass of one molecule1.1763114 × 10^-19 g
Molecules per gram8.50115 × 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, 0.017%
Boron (B × 6552)70,827.12 g/mol, 99.983%
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