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Colour

#1D1518

  • #1D1518
  • Red
  • Dark
  • Nearest: Black

#1D1518 is a red with RGB values 29, 21, 24 and HSL 338°, 16%, 10%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1D1518#1D1518
HEX#1D1518
RGBrgb(29, 21, 24)
RGB (0–1)0.1137, 0.0824, 0.0941
RGB percentages11.4%, 8.2%, 9.4%
HSLhsl(337.5, 16%, 9.8%)
HSV / HSBhsv(337.5, 27.6%, 11.4%)
CMYK0%, 27.6%, 17.2%, 88.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,905,944
CSS custom property--colour: #1D1518;

Brightness & contrast

Relative luminance0.00863WCAG 2.x, 0 is black and 1 is white
Perceived brightness24 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.91:1
Contrast with white17.91:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#E2EAE7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#161618no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#181818no green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#1E1516no blue cones; rare, and affects men and women equally; ΔE 1.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.91:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 9.1Dark slate grey · ΔE 28.8Dim grey · ΔE 36.9Gray · ΔE 46Slate grey · ΔE 46.6Light slate grey · ΔE 49.7
Nearest named CSS colourBlack (#000000)ΔE 9.14, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#151D1A
Analogous#1D151C, #1D1615
Triadic#181D15, #15181D
Split complementary#151D16, #151C1D
Tetradic#1C1D15, #151D1A, #16151D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#936B7A
Lighter +30%#765561
Lighter +20%#584049
Lighter +10%#3B2A30
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#230F16
Less saturated −25%#191919

Channel breakdown

R29
G21
B24
Red29 (11.4%)
Green21 (8.2%)
Blue24 (9.4%)
Hue337.5°
Saturation (HSL)16%
Lightness9.8%
Dominant channelRed
Hex per channelR 1D · G 15 · B 18

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Every value on this page was computed from “1d1518” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.