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Recognised as Colour

#DF3423

  • #DF3423
  • Red
  • Dark
  • Nearest: Tomato

#DF3423 is a red with RGB values 223, 52, 35 and HSL 5°, 75%, 51%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#DF3423#DF3423
HEX#DF3423
RGBrgb(223, 52, 35)
RGB (0–1)0.8745, 0.2039, 0.1373
RGB percentages87.5%, 20.4%, 13.7%
HSLhsl(5.4, 74.6%, 50.6%)
HSV / HSBhsv(5.4, 84.3%, 87.5%)
CMYK0%, 76.7%, 84.3%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,627,875
CSS custom property--colour: #DF3423;

Brightness & contrast

Relative luminance0.18265WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.65:1
Contrast with white4.51:1WCAG normal text: AA
Contrast with black4.65:1WCAG normal text: AA
Greyscale equivalent#575757
Inverted#20CBDC

Colour vision & accessibility

Protanopia#6A5E1Eno red cones; affects about 1% of men; ΔE 69.3 from the original
Deuteranopia#948418no green cones; the most common form, about 1% of men; ΔE 69.6 from the original
Tritanopia#F60032no blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.51:1WCAG large text: AAA
Contrast with black, large text4.65:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 14.36, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#23CEDF
Analogous#DF2370, #DF9223
Triadic#23DF34, #3423DF
Split complementary#23DF92, #2370DF
Tetradic#70DF23, #23CEDF, #9223DF

Tints, shades & saturation

Lighter +40%#F9D8D5
Lighter +30%#F2AFA9
Lighter +20%#EC867C
Lighter +10%#E55D50
Darker −10%#B5281A
Darker −20%#881E14
Darker −30%#5C140D
Darker −40%#2F0B07
More saturated +25%#FF1A03
Less saturated −25%#C04E42

Channel breakdown

R223
G52
B35
Red223 (87.5%)
Green52 (20.4%)
Blue35 (13.7%)
Hue5.43°
Saturation (HSL)74.6%
Lightness50.59%
Dominant channelRed
Hex per channelR DF · G 34 · B 23

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Every value on this page was computed from “df3423” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.