Recognised as Colour
#CA5B65
- #CA5B65
- Red
- Dark
- Nearest: Indian red
#CA5B65 is a red with RGB values 202, 91, 101 and HSL 355°, 51%, 57%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Indian red.
Colour values
#CA5B65#CA5B65
HEX#CA5B65
RGBrgb(202, 91, 101)
RGB (0–1)0.7922, 0.3569, 0.3961
RGB percentages79.2%, 35.7%, 39.6%
HSLhsl(354.6, 51.2%, 57.5%)
HSV / HSBhsv(354.6, 55%, 79.2%)
CMYK0%, 55%, 50%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,261,669
CSS custom property--colour: #CA5B65;
Brightness & contrast
Relative luminance0.20978WCAG 2.x, 0 is black and 1 is white
Perceived brightness135 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.2:1
Contrast with white4.04:1WCAG normal text: Fail
Contrast with black5.2:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#35A49A
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.04:1WCAG large text: AA
Contrast with black, large text5.2:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5BCAC0
Analogous#CA5B9C, #CA885B
Triadic#65CA5B, #5B65CA
Split complementary#5BCA88, #5B9DCA
Tetradic#9DCA5B, #5BCAC0, #895BCA
Tints, shades & saturation
Channel breakdown
R202
G91
B101
Red202 (79.2%)
Green91 (35.7%)
Blue101 (39.6%)
Hue354.59°
Saturation (HSL)51.15%
Lightness57.45%
Dominant channelRed
Hex per channelR CA · G 5B · B 65
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Harmonies
Similar named colours
Also reads as
Ca5B65 (chemical formula)
- Formula
- 903.04 g/mol
- 70 atoms
Ca5B65 has a molar mass of 903.04 g/mol, made up of 70 atoms across 2 elements: 5 × Ca, 65 × B.
Molar mass
Molar mass903.04 g/mol
Total atoms per molecule70
Distinct elements2
Mass of one molecule1.4995332 × 10^-21 g
Molecules per gram6.668742 × 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
Ca22.2%
B77.8%
Calcium (Ca × 5)200.39 g/mol, 22.191%
Boron (B × 65)702.65 g/mol, 77.809%
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