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Colour

#C53100

  • #C53100
  • Red
  • Dark
  • Nearest: Firebrick

#C53100 is a red with RGB values 197, 49, 0 and HSL 15°, 100%, 39%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C53100#C53100
HEX#C53100
RGBrgb(197, 49, 0)
RGB (0–1)0.7725, 0.1922, 0
RGB percentages77.3%, 19.2%, 0%
HSLhsl(14.9, 100%, 38.6%)
HSV / HSBhsv(14.9, 100%, 77.3%)
CMYK0%, 75.1%, 100%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,923,136
CSS custom property--colour: #C53100;

Brightness & contrast

Relative luminance0.14067WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.51:1
Contrast with white5.51:1WCAG normal text: AA
Contrast with black3.81:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#3ACEFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#605400no red cones; affects about 1% of men; ΔE 62.1 from the original
Deuteranopia#847500no green cones; the most common form, about 1% of men; ΔE 61.7 from the original
Tritanopia#DA002Bno blue cones; rare, and affects men and women equally; ΔE 21.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.51:1WCAG large text: AAA
Contrast with black, large text3.81:1WCAG large text: AA

Named colours

Firebrick · ΔE 19.7Tomato · ΔE 20.6Orange red · ΔE 21.3Chocolate · ΔE 22.7Dark red · ΔE 23Coral · ΔE 27.1
Nearest named CSS colourFirebrick (#B22222)ΔE 19.73, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0094C5
Analogous#C50032, #C59400
Triadic#00C531, #3100C5
Split complementary#00C593, #0032C5
Tetradic#31C500, #0094C5, #9400C5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFAD92
Lighter +30%#FF875F
Lighter +20%#FF602C
Lighter +10%#F83E00
Darker −10%#922400
Darker −20%#5F1800
Darker −30%#2C0B00
Darker −40%#000000
More saturated +25%#C53100
Less saturated −25%#AC3D19

Channel breakdown

R197
G49
B0
Red197 (77.3%)
Green49 (19.2%)
Blue0 (0%)
Hue14.92°
Saturation (HSL)100%
Lightness38.63%
Dominant channelRed
Hex per channelR C5 · G 31 · B 00

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Every value on this page was computed from “c53100” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.