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Recognised as Colour

#ED3B38

  • #ED3B38
  • Red
  • Dark
  • Nearest: Tomato

#ED3B38 is a red with RGB values 237, 59, 56 and HSL 1°, 83%, 57%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#ED3B38#ED3B38
HEX#ED3B38
RGBrgb(237, 59, 56)
RGB (0–1)0.9294, 0.2314, 0.2196
RGB percentages92.9%, 23.1%, 22%
HSLhsl(1, 83.4%, 57.5%)
HSV / HSBhsv(1, 76.4%, 92.9%)
CMYK0%, 75.1%, 76.4%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,547,192
CSS custom property--colour: #ED3B38;

Brightness & contrast

Relative luminance0.21418WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.28:1
Contrast with white3.97:1WCAG normal text: Fail
Contrast with black5.28:1WCAG normal text: AA
Greyscale equivalent#616161
Inverted#12C4C7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#726735no red cones; affects about 1% of men; ΔE 71.6 from the original
Deuteranopia#9E8E31no green cones; the most common form, about 1% of men; ΔE 72.1 from the original
Tritanopia#FF003Dno blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.97:1WCAG large text: AA
Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Tomato · ΔE 12.6Crimson · ΔE 12.9Firebrick · ΔE 18.9Orange red · ΔE 25.4Coral · ΔE 25.6Brown · ΔE 26.8
Nearest named CSS colourTomato (#FF6347)ΔE 12.64, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#38EAED
Analogous#ED388F, #ED9638
Triadic#38ED3B, #3B38ED
Split complementary#38ED95, #3890ED
Tetradic#90ED38, #38EAED, #9538ED

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEF3F3
Lighter +30%#FAC5C4
Lighter +20%#F59796
Lighter +10%#F16967
Darker −10%#DE1714
Darker −20%#AF1210
Darker −30%#800E0C
Darker −40%#520907
More saturated +25%#FF2A26
Less saturated −25%#D25553

Channel breakdown

R237
G59
B56
Red237 (92.9%)
Green59 (23.1%)
Blue56 (22%)
Hue0.99°
Saturation (HSL)83.41%
Lightness57.45%
Dominant channelRed
Hex per channelR ED · G 3B · B 38

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Every value on this page was computed from “ed3b38” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.