Recognised as Colour
#CA2339
- #CA2339
- Red
- Dark
- Nearest: Crimson
#CA2339 is a red with RGB values 202, 35, 57 and HSL 352°, 70%, 46%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#CA2339#CA2339
HEX#CA2339
RGBrgb(202, 35, 57)
RGB (0–1)0.7922, 0.1373, 0.2235
RGB percentages79.2%, 13.7%, 22.4%
HSLhsl(352.1, 70.5%, 46.5%)
HSV / HSBhsv(352.1, 82.7%, 79.2%)
CMYK0%, 82.7%, 71.8%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,247,289
CSS custom property--colour: #CA2339;
Brightness & contrast
Relative luminance0.14054WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.51:1
Contrast with white5.51:1WCAG normal text: AA
Contrast with black3.81:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#35DCC6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.51:1WCAG large text: AAA
Contrast with black, large text3.81:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#23CAB4
Analogous#CA238C, #CA6123
Triadic#39CA23, #2339CA
Split complementary#23CA61, #238CCA
Tetradic#8CCA23, #23CAB4, #6123CA
Tints, shades & saturation
Channel breakdown
R202
G35
B57
Red202 (79.2%)
Green35 (13.7%)
Blue57 (22.4%)
Hue352.1°
Saturation (HSL)70.46%
Lightness46.47%
Dominant channelRed
Hex per channelR CA · G 23 · B 39
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Also reads as
Ca2339 (chemical formula)
- Formula
- 93,742.442 g/mol
- 2339 atoms
Ca2339 has a molar mass of 93,742.442 g/mol, made up of 2339 atoms across 1 element: 2339 × Ca.
Molar mass
Molar mass93,742.442 g/mol
Total atoms per molecule2339
Distinct elements1
Mass of one molecule1.5566299 × 10^-19 g
Molecules per gram6.4241347 × 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
Ca100%
Calcium (Ca × 2339)93,742.442 g/mol, 100%
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