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Colour

#690A1F

  • #690A1F
  • Red
  • Dark
  • Nearest: Brown

#690A1F is a red with RGB values 105, 10, 31 and HSL 347°, 83%, 23%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#690A1F#690A1F
HEX#690A1F
RGBrgb(105, 10, 31)
RGB (0–1)0.4118, 0.0392, 0.1216
RGB percentages41.2%, 3.9%, 12.2%
HSLhsl(346.7, 82.6%, 22.5%)
HSV / HSBhsv(346.7, 90.5%, 41.2%)
CMYK0%, 90.5%, 70.5%, 58.8%naive device-independent conversion; real print needs an ICC profile
24-bit integer6,883,871
CSS custom property--colour: #690A1F;

Brightness & contrast

Relative luminance0.03319WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.62:1
Contrast with white12.62:1WCAG normal text: AAA
Contrast with black1.66:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#96F5E0

Colour vision & accessibility

Protanopia#29271Fno red cones; affects about 1% of men; ΔE 42.7 from the original
Deuteranopia#403A1Cno green cones; the most common form, about 1% of men; ΔE 43 from the original
Tritanopia#740014no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.62:1WCAG large text: AAA
Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 24.22, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0A6954
Analogous#690A4F, #69250A
Triadic#1F690A, #0A1F69
Split complementary#0A6925, #0A4F69
Tetradic#4E690A, #0A6954, #240A69

Tints, shades & saturation

Lighter +40%#EE5173
Lighter +30%#EA224E
Lighter +20%#C6133A
Lighter +10%#980E2D
Darker −10%#3A0611
Darker −20%#0C0104
Darker −30%#000000
Darker −40%#000000
More saturated +25%#730019
Less saturated −25%#5B1827

Channel breakdown

R105
G10
B31
Red105 (41.2%)
Green10 (3.9%)
Blue31 (12.2%)
Hue346.74°
Saturation (HSL)82.61%
Lightness22.55%
Dominant channelRed
Hex per channelR 69 · G 0A · B 1F

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Every value on this page was computed from “690a1f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.