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Recognised as Colour

#D53C17

  • #D53C17
  • Red
  • Dark
  • Nearest: Tomato

#D53C17 is a red with RGB values 213, 60, 23 and HSL 12°, 81%, 46%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#D53C17#D53C17
HEX#D53C17
RGBrgb(213, 60, 23)
RGB (0–1)0.8353, 0.2353, 0.0902
RGB percentages83.5%, 23.5%, 9%
HSLhsl(11.7, 80.5%, 46.3%)
HSV / HSBhsv(11.7, 89.2%, 83.5%)
CMYK0%, 71.8%, 89.2%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,974,551
CSS custom property--colour: #D53C17;

Brightness & contrast

Relative luminance0.1744WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#2AC3E8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B5E0Eno red cones; affects about 1% of men; ΔE 63.2 from the original
Deuteranopia#918008no green cones; the most common form, about 1% of men; ΔE 63.1 from the original
Tritanopia#EB0036no blue cones; rare, and affects men and women equally; ΔE 22.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Tomato · ΔE 15.3Firebrick · ΔE 19Orange red · ΔE 20Chocolate · ΔE 22.4Coral · ΔE 23.3Crimson · ΔE 24.1
Nearest named CSS colourTomato (#FF6347)ΔE 15.33, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#17B0D5
Analogous#D51751, #D59B17
Triadic#17D53C, #3C17D5
Split complementary#17D59B, #1751D5
Tetradic#51D517, #17B0D5, #9B17D5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8CBC0
Lighter +30%#F3A592
Lighter +20%#EE7F64
Lighter +10%#E95936
Darker −10%#A72F12
Darker −20%#79220D
Darker −30%#4B1508
Darker −40%#1D0803
More saturated +25%#EC2E00
Less saturated −25%#B74E35

Channel breakdown

R213
G60
B23
Red213 (83.5%)
Green60 (23.5%)
Blue23 (9%)
Hue11.68°
Saturation (HSL)80.51%
Lightness46.27%
Dominant channelRed
Hex per channelR D5 · G 3C · B 17

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Every value on this page was computed from “d53c17” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.