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Recognised as Colour

#1B808A

  • #1B808A
  • Cyan
  • Dark
  • Nearest: Teal

#1B808A is a cyan with RGB values 27, 128, 138 and HSL 185°, 67%, 32%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#1B808A#1B808A
HEX#1B808A
RGBrgb(27, 128, 138)
RGB (0–1)0.1059, 0.502, 0.5412
RGB percentages10.6%, 50.2%, 54.1%
HSLhsl(185.4, 67.3%, 32.4%)
HSV / HSBhsv(185.4, 80.4%, 54.1%)
CMYK80.4%, 7.2%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,802,378
CSS custom property--colour: #1B808A;

Brightness & contrast

Relative luminance0.17506WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.67:1
Contrast with white4.67:1WCAG normal text: AA
Contrast with black4.5:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#E47F75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#757A8Bno red cones; affects about 1% of men; ΔE 25.9 from the original
Deuteranopia#666F8Ano green cones; the most common form, about 1% of men; ΔE 26.9 from the original
Tritanopia#008683no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.67:1WCAG large text: AAA
Contrast with black, large text4.5:1WCAG large text: AAA

Named colours

Teal · ΔE 7.1Dark cyan · ΔE 8.8Cadetblue · ΔE 14.2Slate grey · ΔE 22.1Light slate grey · ΔE 22.7Light seagreen · ΔE 22.9
Nearest named CSS colourTeal (#008080)ΔE 7.13, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A251B
Analogous#1B8A5D, #1B488A
Triadic#8A1B80, #808A1B
Split complementary#8A1B49, #8A5D1B
Tetradic#5C1B8A, #8A251B, #488A1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89DFE8
Lighter +30%#5ED4E0
Lighter +20%#34C9D7
Lighter +10%#23A8B5
Darker −10%#13585F
Darker −20%#0A3135
Darker −30%#02090A
Darker −40%#000000
More saturated +25%#06919F
Less saturated −25%#306F75

Channel breakdown

R27
G128
B138
Red27 (10.6%)
Green128 (50.2%)
Blue138 (54.1%)
Hue185.41°
Saturation (HSL)67.27%
Lightness32.35%
Dominant channelBlue
Hex per channelR 1B · G 80 · B 8A

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Every value on this page was computed from “1b808a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.