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Recognised as Colour

#4A151F

  • #4A151F
  • Red
  • Dark
  • Nearest: Black

#4A151F is a red with RGB values 74, 21, 31 and HSL 349°, 56%, 19%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4A151F#4A151F
HEX#4A151F
RGBrgb(74, 21, 31)
RGB (0–1)0.2902, 0.0824, 0.1216
RGB percentages29%, 8.2%, 12.2%
HSLhsl(348.7, 55.8%, 18.6%)
HSV / HSBhsv(348.7, 71.6%, 29%)
CMYK0%, 71.6%, 58.1%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,855,071
CSS custom property--colour: #4A151F;

Brightness & contrast

Relative luminance0.02091WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.81:1
Contrast with white14.81:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#B5EAE0

Colour vision & accessibility

Protanopia#21211Fno red cones; affects about 1% of men; ΔE 27.3 from the original
Deuteranopia#2F2C1Eno green cones; the most common form, about 1% of men; ΔE 27.6 from the original
Tritanopia#510C19no blue cones; rare, and affects men and women equally; ΔE 7.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.81:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 31.29, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#154A40
Analogous#4A1539, #4A2615
Triadic#1F4A15, #151F4A
Split complementary#154A26, #153A4A
Tetradic#3A4A15, #154A40, #26154A

Tints, shades & saturation

Lighter +40%#D05B71
Lighter +30%#C13751
Lighter +20%#992C40
Lighter +10%#722030
Darker −10%#220A0E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#560918
Less saturated −25%#3E2126

Channel breakdown

R74
G21
B31
Red74 (29%)
Green21 (8.2%)
Blue31 (12.2%)
Hue348.68°
Saturation (HSL)55.79%
Lightness18.63%
Dominant channelRed
Hex per channelR 4A · G 15 · B 1F

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Every value on this page was computed from “4a151f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.