Nerdulator> put something in

Colour

#F12543

  • #F12543
  • Red
  • Dark
  • Nearest: Crimson

#F12543 is a red with RGB values 241, 37, 67 and HSL 351°, 88%, 55%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F12543#F12543
HEX#F12543
RGBrgb(241, 37, 67)
RGB (0–1)0.9451, 0.1451, 0.2627
RGB percentages94.5%, 14.5%, 26.3%
HSLhsl(351.2, 87.9%, 54.5%)
HSV / HSBhsv(351.2, 84.6%, 94.5%)
CMYK0%, 84.6%, 72.2%, 5.5%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,803,715
CSS custom property--colour: #F12543;

Brightness & contrast

Relative luminance0.20429WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.09:1
Contrast with white4.13:1WCAG normal text: Fail
Contrast with black5.09:1WCAG normal text: AA
Greyscale equivalent#535353
Inverted#0EDABC

Colour vision & accessibility

Protanopia#696242no red cones; affects about 1% of men; ΔE 79 from the original
Deuteranopia#9B8C3Cno green cones; the most common form, about 1% of men; ΔE 78.8 from the original
Tritanopia#FF0034no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.13:1WCAG large text: AA
Contrast with black, large text5.09:1WCAG large text: AAA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 6.74, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#25F1D3
Analogous#F125A9, #F16D25
Triadic#43F125, #2543F1
Split complementary#25F16D, #25A9F1
Tetradic#A9F125, #25F1D3, #6D25F1

Tints, shades & saturation

Lighter +40%#FDE5E8
Lighter +30%#FAB5BF
Lighter +20%#F78596
Lighter +10%#F4556C
Darker −10%#D50E2B
Darker −20%#A50B21
Darker −30%#750818
Darker −40%#46040E
More saturated +25%#FF1739
Less saturated −25%#D44257

Channel breakdown

R241
G37
B67
Red241 (94.5%)
Green37 (14.5%)
Blue67 (26.3%)
Hue351.18°
Saturation (HSL)87.93%
Lightness54.51%
Dominant channelRed
Hex per channelR F1 · G 25 · B 43

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

Every value on this page was computed from “f12543” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.