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Recognised as Colour

#1D3830

  • #1D3830
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1D3830 is a cyan with RGB values 29, 56, 48 and HSL 162°, 32%, 17%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D3830#1D3830
HEX#1D3830
RGBrgb(29, 56, 48)
RGB (0–1)0.1137, 0.2196, 0.1882
RGB percentages11.4%, 22%, 18.8%
HSLhsl(162.2, 31.8%, 16.7%)
HSV / HSBhsv(162.2, 48.2%, 22%)
CMYK48.2%, 0%, 14.3%, 78%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,914,928
CSS custom property--colour: #1D3830;

Brightness & contrast

Relative luminance0.03303WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.65:1
Contrast with white12.65:1WCAG normal text: AAA
Contrast with black1.66:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#E2C7CF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#363530no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#323231no green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#143836no blue cones; rare, and affects men and women equally; ΔE 4.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.65:1WCAG large text: AAA
Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.5Black · ΔE 24.8Dim grey · ΔE 26.5Teal · ΔE 33.2Gray · ΔE 34.8Slate grey · ΔE 35.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.49, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#381D25
Analogous#1D3822, #1D3338
Triadic#301D38, #38301D
Split complementary#381D33, #38221D
Tetradic#221D38, #381D25, #32381D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6DB49F
Lighter +30%#519D86
Lighter +20%#407B6A
Lighter +10%#2E5A4D
Darker −10%#0C1613
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#124334
Less saturated −25%#282D2C

Channel breakdown

R29
G56
B48
Red29 (11.4%)
Green56 (22%)
Blue48 (18.8%)
Hue162.22°
Saturation (HSL)31.76%
Lightness16.67%
Dominant channelGreen
Hex per channelR 1D · G 38 · B 30

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Every value on this page was computed from “1d3830” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.