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Recognised as Colour

#1D2B28

  • #1D2B28
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1D2B28 is a cyan with RGB values 29, 43, 40 and HSL 167°, 19%, 14%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D2B28#1D2B28
HEX#1D2B28
RGBrgb(29, 43, 40)
RGB (0–1)0.1137, 0.1686, 0.1569
RGB percentages11.4%, 16.9%, 15.7%
HSLhsl(167.1, 19.4%, 14.1%)
HSV / HSBhsv(167.1, 32.6%, 16.9%)
CMYK32.6%, 0%, 7%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,911,592
CSS custom property--colour: #1D2B28;

Brightness & contrast

Relative luminance0.02142WCAG 2.x, 0 is black and 1 is white
Perceived brightness39 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.7:1
Contrast with white14.7:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#E2D4D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2928no red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#272728no green cones; the most common form, about 1% of men; ΔE 7 from the original
Tritanopia#192B2Ano blue cones; rare, and affects men and women equally; ΔE 2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.7:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.3Black · ΔE 17.6Dim grey · ΔE 29Gray · ΔE 38Slate grey · ΔE 38.4Teal · ΔE 39.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.28, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B1D20
Analogous#1D2B21, #1D272B
Triadic#281D2B, #2B281D
Split complementary#2B1D27, #2B211D
Tetradic#211D2B, #2B1D20, #272B1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#73A197
Lighter +30%#5B867D
Lighter +20%#466861
Lighter +10%#324944
Darker −10%#080D0C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#14342D
Less saturated −25%#242424

Channel breakdown

R29
G43
B40
Red29 (11.4%)
Green43 (16.9%)
Blue40 (15.7%)
Hue167.14°
Saturation (HSL)19.44%
Lightness14.12%
Dominant channelGreen
Hex per channelR 1D · G 2B · B 28

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Every value on this page was computed from “1d2b28” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.