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Colour

#1F1C18

  • #1F1C18
  • Orange
  • Dark
  • Nearest: Black

#1F1C18 is a orange with RGB values 31, 28, 24 and HSL 34°, 13%, 11%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1F1C18#1F1C18
HEX#1F1C18
RGBrgb(31, 28, 24)
RGB (0–1)0.1216, 0.1098, 0.0941
RGB percentages12.2%, 11%, 9.4%
HSLhsl(34.3, 12.7%, 10.8%)
HSV / HSBhsv(34.3, 22.6%, 12.2%)
CMYK0%, 9.7%, 22.6%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,038,808
CSS custom property--colour: #1F1C18;

Brightness & contrast

Relative luminance0.01188WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.97:1
Contrast with white16.97:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#E0E3E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D1C18no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#1E1D18no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#201B1Bno blue cones; rare, and affects men and women equally; ΔE 3.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.97:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 11Dark slate grey · ΔE 25.1Dim grey · ΔE 34.1Gray · ΔE 43.2Slate grey · ΔE 44.7Dark olivegreen · ΔE 46.2
Nearest named CSS colourBlack (#000000)ΔE 10.99, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#181B1F
Analogous#1F1818, #1E1F18
Triadic#181F1C, #1C181F
Split complementary#181F1F, #18181F
Tetradic#181F18, #181B1F, #1F181F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#918472
Lighter +30%#756A5B
Lighter +20%#585045
Lighter +10%#3C362E
Darker −10%#020202
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#261D11
Less saturated −25%#1C1C1C

Channel breakdown

R31
G28
B24
Red31 (12.2%)
Green28 (11%)
Blue24 (9.4%)
Hue34.29°
Saturation (HSL)12.73%
Lightness10.78%
Dominant channelRed
Hex per channelR 1F · G 1C · B 18

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Every value on this page was computed from “1f1c18” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.