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Colour

#A01749

  • #A01749
  • Red
  • Dark
  • Nearest: Brown

#A01749 is a red with RGB values 160, 23, 73 and HSL 338°, 75%, 36%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A01749#A01749
HEX#A01749
RGBrgb(160, 23, 73)
RGB (0–1)0.6275, 0.0902, 0.2863
RGB percentages62.7%, 9%, 28.6%
HSLhsl(338.1, 74.9%, 35.9%)
HSV / HSBhsv(338.1, 85.6%, 62.7%)
CMYK0%, 85.6%, 54.4%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,491,721
CSS custom property--colour: #A01749;

Brightness & contrast

Relative luminance0.08567WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.74:1
Contrast with white7.74:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#5FE8B6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E414Ano red cones; affects about 1% of men; ΔE 56.9 from the original
Deuteranopia#625C46no green cones; the most common form, about 1% of men; ΔE 57.6 from the original
Tritanopia#AF002Eno blue cones; rare, and affects men and women equally; ΔE 20.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.74:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Brown · ΔE 23.8Indian red · ΔE 25.7Pale violetred · ΔE 28.3Medium violet red · ΔE 29.1Firebrick · ΔE 30.3Crimson · ΔE 32.4
Nearest named CSS colourBrown (#A52A2A)ΔE 23.81, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#17A06E
Analogous#A0178D, #A02917
Triadic#49A017, #1749A0
Split complementary#17A029, #178DA0
Tetradic#8EA017, #17A06E, #2A17A0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F093B5
Lighter +30%#E96796
Lighter +20%#E33A78
Lighter +10%#CD1D5D
Darker −10%#731135
Darker −20%#470A20
Darker −30%#1A040C
Darker −40%#000000
More saturated +25%#B70043
Less saturated −25%#892E4F

Channel breakdown

R160
G23
B73
Red160 (62.7%)
Green23 (9%)
Blue73 (28.6%)
Hue338.1°
Saturation (HSL)74.86%
Lightness35.88%
Dominant channelRed
Hex per channelR A0 · G 17 · B 49

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Every value on this page was computed from “a01749” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.