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Recognised as Colour

#1C150B

  • #1C150B
  • Orange
  • Dark
  • Nearest: Black

#1C150B is a orange with RGB values 28, 21, 11 and HSL 35°, 44%, 8%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1C150B#1C150B
HEX#1C150B
RGBrgb(28, 21, 11)
RGB (0–1)0.1098, 0.0824, 0.0431
RGB percentages11%, 8.2%, 4.3%
HSLhsl(35.3, 43.6%, 7.6%)
HSV / HSBhsv(35.3, 60.7%, 11%)
CMYK0%, 25%, 60.7%, 89%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,840,395
CSS custom property--colour: #1C150B;

Brightness & contrast

Relative luminance0.00807WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.08:1
Contrast with white18.08:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#E3EAF4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#18150Ano red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#19170Bno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#1F1312no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.08:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 9.9Dark slate grey · ΔE 29.3Dim grey · ΔE 37.7Gray · ΔE 46.8Dark olivegreen · ΔE 47.2Slate grey · ΔE 48.8
Nearest named CSS colourBlack (#000000)ΔE 9.86, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0B121C
Analogous#1C0D0B, #1A1C0B
Triadic#0B1C15, #150B1C
Split complementary#0B1B1C, #0C0B1C
Tetradic#0B1C0D, #0B121C, #1C0B1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AE8345
Lighter +30%#8A6736
Lighter +20%#654C28
Lighter +10%#413019
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#211606
Less saturated −25%#171410

Channel breakdown

R28
G21
B11
Red28 (11%)
Green21 (8.2%)
Blue11 (4.3%)
Hue35.29°
Saturation (HSL)43.59%
Lightness7.65%
Dominant channelRed
Hex per channelR 1C · G 15 · B 0B

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Every value on this page was computed from “1c150b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.