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Recognised as Colour

#DD271E

  • #DD271E
  • Red
  • Dark
  • Nearest: Tomato

#DD271E is a red with RGB values 221, 39, 30 and HSL 3°, 76%, 49%. 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

#DD271E#DD271E
HEX#DD271E
RGBrgb(221, 39, 30)
RGB (0–1)0.8667, 0.1529, 0.1176
RGB percentages86.7%, 15.3%, 11.8%
HSLhsl(2.8, 76.1%, 49.2%)
HSV / HSBhsv(2.8, 86.4%, 86.7%)
CMYK0%, 82.4%, 86.4%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,493,470
CSS custom property--colour: #DD271E;

Brightness & contrast

Relative luminance0.16917WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.79:1
Contrast with white4.79:1WCAG normal text: AA
Contrast with black4.38:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#22D8E1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#655919no red cones; affects about 1% of men; ΔE 72 from the original
Deuteranopia#90800Fno green cones; the most common form, about 1% of men; ΔE 72.3 from the original
Tritanopia#F40028no blue cones; rare, and affects men and women equally; ΔE 11.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.79:1WCAG large text: AAA
Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Tomato · ΔE 17.3Crimson · ΔE 18Firebrick · ΔE 19.5Orange red · ΔE 20.2Red · ΔE 21.5Dark red · ΔE 27.4
Nearest named CSS colourTomato (#FF6347)ΔE 17.3, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1ED4DD
Analogous#DD1E75, #DD861E
Triadic#1EDD27, #271EDD
Split complementary#1EDD86, #1E75DD
Tetradic#75DD1E, #1ED4DD, #861EDD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8D1CF
Lighter +30%#F2A5A2
Lighter +20%#EC7A75
Lighter +10%#E64F48
Darker −10%#B01F18
Darker −20%#831712
Darker −30%#560F0C
Darker −40%#290706
More saturated +25%#FB0C00
Less saturated −25%#BE433D

Channel breakdown

R221
G39
B30
Red221 (86.7%)
Green39 (15.3%)
Blue30 (11.8%)
Hue2.83°
Saturation (HSL)76.1%
Lightness49.22%
Dominant channelRed
Hex per channelR DD · G 27 · B 1E

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Every value on this page was computed from “dd271e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.