Recognised as Colour
#C65138
- #C65138
- Red
- Dark
- Nearest: Brown
#C65138 is a red with RGB values 198, 81, 56 and HSL 11°, 56%, 50%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#C65138#C65138
HEX#C65138
RGBrgb(198, 81, 56)
RGB (0–1)0.7765, 0.3176, 0.2196
RGB percentages77.6%, 31.8%, 22%
HSLhsl(10.6, 55.9%, 49.8%)
HSV / HSBhsv(10.6, 71.7%, 77.6%)
CMYK0%, 59.1%, 71.7%, 22.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,996,920
CSS custom property--colour: #C65138;
Brightness & contrast
Relative luminance0.18176WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.64:1
Contrast with white4.53:1WCAG normal text: AA
Contrast with black4.64:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#39AEC7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.53:1WCAG large text: AAA
Contrast with black, large text4.64:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#38ADC6
Analogous#C63866, #C69838
Triadic#38C651, #5138C6
Split complementary#38C698, #3866C6
Tetradic#66C638, #38ADC6, #9838C6
Tints, shades & saturation
Channel breakdown
R198
G81
B56
Red198 (77.6%)
Green81 (31.8%)
Blue56 (22%)
Hue10.56°
Saturation (HSL)55.91%
Lightness49.8%
Dominant channelRed
Hex per channelR C6 · G 51 · B 38
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Also reads as
C65138 (chemical formula)
- Formula
- 782,372.518 g/mol
- 65138 atoms
C65138 has a molar mass of 782,372.518 g/mol, made up of 65138 atoms across 1 element: 65138 × C.
Molar mass
Molar mass782,372.518 g/mol
Total atoms per molecule65138
Distinct elements1
Mass of one molecule1.2991601 × 10^-18 g
Molecules per gram7.6972805 × 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 × 65138)782,372.518 g/mol, 100%
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