Nerdulator> put something in

Recognised as Colour

#D13A1C

  • #D13A1C
  • Red
  • Dark
  • Nearest: Tomato

#D13A1C is a red with RGB values 209, 58, 28 and HSL 10°, 76%, 46%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#D13A1C#D13A1C
HEX#D13A1C
RGBrgb(209, 58, 28)
RGB (0–1)0.8196, 0.2275, 0.1098
RGB percentages82%, 22.7%, 11%
HSLhsl(9.9, 76.4%, 46.5%)
HSV / HSBhsv(9.9, 86.6%, 82%)
CMYK0%, 72.2%, 86.6%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,711,900
CSS custom property--colour: #D13A1C;

Brightness & contrast

Relative luminance0.16665WCAG 2.x, 0 is black and 1 is white
Perceived brightness123 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.85:1
Contrast with white4.85:1WCAG normal text: AA
Contrast with black4.33:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#2EC5E3

Colour vision & accessibility

Protanopia#685C15no red cones; affects about 1% of men; ΔE 62.8 from the original
Deuteranopia#8D7E11no green cones; the most common form, about 1% of men; ΔE 63.3 from the original
Tritanopia#E70035no blue cones; rare, and affects men and women equally; ΔE 20.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.85:1WCAG large text: AAA
Contrast with black, large text4.33:1WCAG large text: AA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 15.01, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1CB3D1
Analogous#D11C58, #D1951C
Triadic#1CD13A, #3A1CD1
Split complementary#1CD195, #1C58D1
Tetradic#58D11C, #1CB3D1, #951CD1

Tints, shades & saturation

Lighter +40%#F7CBC2
Lighter +30%#F1A495
Lighter +20%#EB7E68
Lighter +10%#E5573B
Darker −10%#A42E16
Darker −20%#772110
Darker −30%#4A150A
Darker −40%#1D0804
More saturated +25%#ED2700
Less saturated −25%#B34E3A

Channel breakdown

R209
G58
B28
Red209 (82%)
Green58 (22.7%)
Blue28 (11%)
Hue9.94°
Saturation (HSL)76.37%
Lightness46.47%
Dominant channelRed
Hex per channelR D1 · G 3A · B 1C

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 “d13a1c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.