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Recognised as Colour

#91042A

  • #91042A
  • Red
  • Dark
  • Nearest: Brown

#91042A is a red with RGB values 145, 4, 42 and HSL 344°, 95%, 29%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#91042A#91042A
HEX#91042A
RGBrgb(145, 4, 42)
RGB (0–1)0.5686, 0.0157, 0.1647
RGB percentages56.9%, 1.6%, 16.5%
HSLhsl(343.8, 94.6%, 29.2%)
HSV / HSBhsv(343.8, 97.2%, 56.9%)
CMYK0%, 97.2%, 71%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,503,786
CSS custom property--colour: #91042A;

Brightness & contrast

Relative luminance0.06274WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.31:1
Contrast with white9.31:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#6EFBD5

Colour vision & accessibility

Protanopia#38352Ano red cones; affects about 1% of men; ΔE 56.2 from the original
Deuteranopia#595026no green cones; the most common form, about 1% of men; ΔE 56 from the original
Tritanopia#A00018no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.31:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 12.79, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#04916B
Analogous#910470, #912504
Triadic#2A9104, #042A91
Split complementary#049124, #047191
Tetradic#709104, #04916B, #250491

Tints, shades & saturation

Lighter +40%#FB668E
Lighter +30%#F9356A
Lighter +20%#F40747
Lighter +10%#C30538
Darker −10%#5F031C
Darker −20%#2E010D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#950028
Less saturated −25%#7E1733

Channel breakdown

R145
G4
B42
Red145 (56.9%)
Green4 (1.6%)
Blue42 (16.5%)
Hue343.83°
Saturation (HSL)94.63%
Lightness29.22%
Dominant channelRed
Hex per channelR 91 · G 04 · B 2A

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Every value on this page was computed from “91042a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.