Recognised as Colour
#CC3F45
- #CC3F45
- Red
- Dark
- Nearest: Brown
#CC3F45 is a red with RGB values 204, 63, 69 and HSL 357°, 58%, 52%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#CC3F45#CC3F45
HEX#CC3F45
RGBrgb(204, 63, 69)
RGB (0–1)0.8, 0.2471, 0.2706
RGB percentages80%, 24.7%, 27.1%
HSLhsl(357.4, 58%, 52.4%)
HSV / HSBhsv(357.4, 69.1%, 80%)
CMYK0%, 69.1%, 66.2%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,385,541
CSS custom property--colour: #CC3F45;
Brightness & contrast
Relative luminance0.16822WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.81:1
Contrast with white4.81:1WCAG normal text: AA
Contrast with black4.36:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#33C0BA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.81:1WCAG large text: AAA
Contrast with black, large text4.36:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3FCCC6
Analogous#CC3F8C, #CC7F3F
Triadic#45CC3F, #3F45CC
Split complementary#3FCC7F, #3F8CCC
Tetradic#8CCC3F, #3FCCC6, #7F3FCC
Tints, shades & saturation
Channel breakdown
R204
G63
B69
Red204 (80%)
Green63 (24.7%)
Blue69 (27.1%)
Hue357.45°
Saturation (HSL)58.02%
Lightness52.35%
Dominant channelRed
Hex per channelR CC · G 3F · B 45
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
CC3F45 (chemical formula)
- Formula
- 902.954 g/mol
- 49 atoms
CC3F45 has a molar mass of 902.954 g/mol, made up of 49 atoms across 2 elements: 4 × C, 45 × F.
Molar mass
Molar mass902.954 g/mol
Total atoms per molecule49
Distinct elements2
Mass of one molecule1.4993904 × 10^-21 g
Molecules per gram6.6693771 × 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
C5.3%
F94.7%
Carbon (C × 4)48.044 g/mol, 5.321%
Fluorine (F × 45)854.91 g/mol, 94.679%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page