Recognised as Colour
#C88303
- #C88303
- Orange
- Dark
- Nearest: Dark goldenrod
#C88303 is a orange with RGB values 200, 131, 3 and HSL 39°, 97%, 40%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#C88303#C88303
HEX#C88303
RGBrgb(200, 131, 3)
RGB (0–1)0.7843, 0.5137, 0.0118
RGB percentages78.4%, 51.4%, 1.2%
HSLhsl(39, 97%, 39.8%)
HSV / HSBhsv(39, 98.5%, 78.4%)
CMYK0%, 34.5%, 98.5%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,140,739
CSS custom property--colour: #C88303;
Brightness & contrast
Relative luminance0.28519WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.7:1
Contrast with white3.13:1WCAG normal text: Fail
Contrast with black6.7:1WCAG normal text: AA
Greyscale equivalent#888888
Inverted#377CFC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.13:1WCAG large text: AA
Contrast with black, large text6.7:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0348C8
Analogous#C82103, #ABC803
Triadic#03C883, #8303C8
Split complementary#03AAC8, #2103C8
Tetradic#03C821, #0348C8, #C803AA
Tints, shades & saturation
Channel breakdown
R200
G131
B3
Red200 (78.4%)
Green131 (51.4%)
Blue3 (1.2%)
Hue38.98°
Saturation (HSL)97.04%
Lightness39.8%
Dominant channelRed
Hex per channelR C8 · G 83 · B 03
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Also reads as
C88303 (chemical formula)
- Formula
- 1,060,607.333 g/mol
- 88303 atoms
C88303 has a molar mass of 1,060,607.333 g/mol, made up of 88303 atoms across 1 element: 88303 × C.
Molar mass
Molar mass1,060,607.333 g/mol
Total atoms per molecule88303
Distinct elements1
Mass of one molecule1.7611799 × 10^-18 g
Molecules per gram5.6780116 × 10^17
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
C100%
Carbon (C × 88303)1,060,607.333 g/mol, 100%
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