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Recognised as Colour

#1B3429

  • #1B3429
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1B3429 is a cyan with RGB values 27, 52, 41 and HSL 154°, 32%, 15%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1B3429#1B3429
HEX#1B3429
RGBrgb(27, 52, 41)
RGB (0–1)0.1059, 0.2039, 0.1608
RGB percentages10.6%, 20.4%, 16.1%
HSLhsl(153.6, 31.6%, 15.5%)
HSV / HSBhsv(153.6, 48.1%, 20.4%)
CMYK48.1%, 0%, 21.2%, 79.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,782,825
CSS custom property--colour: #1B3429;

Brightness & contrast

Relative luminance0.02849WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.38:1
Contrast with white13.38:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#E4CBD6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#333128no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#2F2E2Ano green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#143431no blue cones; rare, and affects men and women equally; ΔE 5.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.38:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.1Black · ΔE 23.6Dim grey · ΔE 28.4Teal · ΔE 35.2Dark olivegreen · ΔE 35.6Gray · ΔE 36.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.15, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#341B26
Analogous#1B341D, #1B3234
Triadic#291B34, #34291B
Split complementary#341B32, #341D1B
Tetradic#1D1B34, #341B26, #33341B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6AB192
Lighter +30%#4F9978
Lighter +20%#3E775E
Lighter +10%#2C5643
Darker −10%#0A120F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#113E2A
Less saturated −25%#252A28

Channel breakdown

R27
G52
B41
Red27 (10.6%)
Green52 (20.4%)
Blue41 (16.1%)
Hue153.6°
Saturation (HSL)31.65%
Lightness15.49%
Dominant channelGreen
Hex per channelR 1B · G 34 · B 29

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Every value on this page was computed from “1b3429” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.