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Recognised as Colour

#1B1404

  • #1B1404
  • Orange
  • Dark
  • Nearest: Black

#1B1404 is a orange with RGB values 27, 20, 4 and HSL 42°, 74%, 6%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B1404#1B1404
HEX#1B1404
RGBrgb(27, 20, 4)
RGB (0–1)0.1059, 0.0784, 0.0157
RGB percentages10.6%, 7.8%, 1.6%
HSLhsl(41.7, 74.2%, 6.1%)
HSV / HSBhsv(41.7, 85.2%, 10.6%)
CMYK0%, 25.9%, 85.2%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,774,596
CSS custom property--colour: #1B1404;

Brightness & contrast

Relative luminance0.00742WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.29:1
Contrast with white18.29:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#E4EBFB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#171403no red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#191604no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#1E1210no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.29:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 10.8Dark slate grey · ΔE 30.1Dim grey · ΔE 38.6Dark olivegreen · ΔE 46.2Gray · ΔE 47.6Slate grey · ΔE 50
Nearest named CSS colourBlack (#000000)ΔE 10.78, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#040B1B
Analogous#1B0904, #161B04
Triadic#041B14, #14041B
Split complementary#04161B, #09041B
Tetradic#041B09, #040B1B, #1B0416

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CD981E
Lighter +30%#A07718
Lighter +20%#745611
Lighter +10%#47350B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F1600
Less saturated −25%#171208

Channel breakdown

R27
G20
B4
Red27 (10.6%)
Green20 (7.8%)
Blue4 (1.6%)
Hue41.74°
Saturation (HSL)74.19%
Lightness6.08%
Dominant channelRed
Hex per channelR 1B · G 14 · B 04

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Every value on this page was computed from “1b1404” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.