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Recognised as Colour

#1B0F09

  • #1B0F09
  • Orange
  • Dark
  • Nearest: Black

#1B0F09 is a orange with RGB values 27, 15, 9 and HSL 20°, 50%, 7%. It is a dark colour, so white text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B0F09#1B0F09
HEX#1B0F09
RGBrgb(27, 15, 9)
RGB (0–1)0.1059, 0.0588, 0.0353
RGB percentages10.6%, 5.9%, 3.5%
HSLhsl(20, 50%, 7.1%)
HSV / HSBhsv(20, 66.7%, 10.6%)
CMYK0%, 44.4%, 66.7%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,773,321
CSS custom property--colour: #1B0F09;

Brightness & contrast

Relative luminance0.00594WCAG 2.x, 0 is black and 1 is white
Perceived brightness19 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.77:1
Contrast with white18.77:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#E4F0F6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#121009no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#151309no green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#1E0D0Dno blue cones; rare, and affects men and women equally; ΔE 3.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.77:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 8.2Dark slate grey · ΔE 31.6Dim grey · ΔE 39.5Gray · ΔE 48.6Slate grey · ΔE 50.2Dark olivegreen · ΔE 50.8
Nearest named CSS colourBlack (#000000)ΔE 8.23, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#09151B
Analogous#1B090C, #1B1809
Triadic#091B0F, #0F091B
Split complementary#091B18, #090C1B
Tetradic#0C1B09, #09151B, #18091B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B4643C
Lighter +30%#8E4F2F
Lighter +20%#683922
Lighter +10%#412416
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#200D05
Less saturated −25%#17100D

Channel breakdown

R27
G15
B9
Red27 (10.6%)
Green15 (5.9%)
Blue9 (3.5%)
Hue20°
Saturation (HSL)50%
Lightness7.06%
Dominant channelRed
Hex per channelR 1B · G 0F · B 09

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Every value on this page was computed from “1b0f09” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.