Recognised as Colour
#C30733
- #C30733
- Red
- Dark
- Nearest: Crimson
#C30733 is a red with RGB values 195, 7, 51 and HSL 346°, 93%, 40%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#C30733#C30733
HEX#C30733
RGBrgb(195, 7, 51)
RGB (0–1)0.7647, 0.0275, 0.2
RGB percentages76.5%, 2.7%, 20%
HSLhsl(346, 93.1%, 39.6%)
HSV / HSBhsv(346, 96.4%, 76.5%)
CMYK0%, 96.4%, 73.8%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,781,363
CSS custom property--colour: #C30733;
Brightness & contrast
Relative luminance0.11993WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.18:1
Contrast with white6.18:1WCAG normal text: AA
Contrast with black3.4:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#3CF8CC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.18:1WCAG large text: AAA
Contrast with black, large text3.4:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#07C397
Analogous#C30791, #C33907
Triadic#33C307, #0733C3
Split complementary#07C339, #0791C3
Tetradic#91C307, #07C397, #3907C3
Tints, shades & saturation
Channel breakdown
R195
G7
B51
Red195 (76.5%)
Green7 (2.7%)
Blue51 (20%)
Hue345.96°
Saturation (HSL)93.07%
Lightness39.61%
Dominant channelRed
Hex per channelR C3 · G 07 · B 33
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
C30733 (chemical formula)
- Formula
- 369,134.063 g/mol
- 30733 atoms
C30733 has a molar mass of 369,134.063 g/mol, made up of 30733 atoms across 1 element: 30733 × C.
Molar mass
Molar mass369,134.063 g/mol
Total atoms per molecule30733
Distinct elements1
Mass of one molecule6.1296153 × 10^-19 g
Molecules per gram1.6314237 × 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
C100%
Carbon (C × 30733)369,134.063 g/mol, 100%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Elements in this formula
Nerdulate something else
Nothing in mind? Surprise me · today’s page