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Recognised as Colour

#DE4A2F

  • #DE4A2F
  • Red
  • Dark
  • Nearest: Tomato

#DE4A2F is a red with RGB values 222, 74, 47 and HSL 9°, 73%, 53%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#DE4A2F#DE4A2F
HEX#DE4A2F
RGBrgb(222, 74, 47)
RGB (0–1)0.8706, 0.2902, 0.1843
RGB percentages87.1%, 29%, 18.4%
HSLhsl(9.3, 72.6%, 52.7%)
HSV / HSBhsv(9.3, 78.8%, 87.1%)
CMYK0%, 66.7%, 78.8%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,567,983
CSS custom property--colour: #DE4A2F;

Brightness & contrast

Relative luminance0.20632WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.13:1
Contrast with white4.1:1WCAG normal text: Fail
Contrast with black5.13:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#21B5D0

Colour vision & accessibility

Protanopia#75692Bno red cones; affects about 1% of men; ΔE 61.4 from the original
Deuteranopia#998929no green cones; the most common form, about 1% of men; ΔE 61.6 from the original
Tritanopia#F41B45no blue cones; rare, and affects men and women equally; ΔE 22.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.1:1WCAG large text: AA
Contrast with black, large text5.13:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 9.8, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2FC3DE
Analogous#DE2F6B, #DEA22F
Triadic#2FDE4A, #4A2FDE
Split complementary#2FDEA2, #2F6BDE
Tetradic#6BDE2F, #2FC3DE, #A22FDE

Tints, shades & saturation

Lighter +40%#FAE3DF
Lighter +30%#F3BDB3
Lighter +20%#EC9787
Lighter +10%#E5705B
Darker −10%#BC361E
Darker −20%#902A17
Darker −30%#641D10
Darker −40%#381009
More saturated +25%#FC3511
Less saturated −25%#C05F4D

Channel breakdown

R222
G74
B47
Red222 (87.1%)
Green74 (29%)
Blue47 (18.4%)
Hue9.26°
Saturation (HSL)72.61%
Lightness52.75%
Dominant channelRed
Hex per channelR DE · G 4A · B 2F

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Every value on this page was computed from “de4a2f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.