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Recognised as Colour

#008AAB

  • #008AAB
  • Cyan
  • Dark
  • Nearest: Steel blue

#008AAB is a cyan with RGB values 0, 138, 171 and HSL 192°, 100%, 34%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#008AAB#008AAB
HEX#008AAB
RGBrgb(0, 138, 171)
RGB (0–1)0, 0.5412, 0.6706
RGB percentages0%, 54.1%, 67.1%
HSLhsl(191.6, 100%, 33.5%)
HSV / HSBhsv(191.6, 100%, 67.1%)
CMYK100%, 19.3%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer35,499
CSS custom property--colour: #008AAB;

Brightness & contrast

Relative luminance0.21117WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.22:1
Contrast with white4.02:1WCAG normal text: Fail
Contrast with black5.22:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#FF7554

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7786ADno red cones; affects about 1% of men; ΔE 23.6 from the original
Deuteranopia#6379ABno green cones; the most common form, about 1% of men; ΔE 24.7 from the original
Tritanopia#009495no blue cones; rare, and affects men and women equally; ΔE 20.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.02:1WCAG large text: AA
Contrast with black, large text5.22:1WCAG large text: AAA

Named colours

Steel blue · ΔE 16.3Cadetblue · ΔE 20.4Dark cyan · ΔE 20.7Teal · ΔE 20.7Light slate grey · ΔE 22.8Slate grey · ΔE 23.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.26, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB2100
Analogous#00AB76, #0035AB
Triadic#AB008A, #8AAB00
Split complementary#AB0034, #AB7600
Tetradic#7700AB, #AB2100, #35AB00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#78E5FF
Lighter +30%#45DBFF
Lighter +20%#12D1FF
Lighter +10%#00B3DE
Darker −10%#006178
Darker −20%#003845
Darker −30%#000F12
Darker −40%#000000
More saturated +25%#008AAB
Less saturated −25%#157D96

Channel breakdown

R0
G138
B171
Red0 (0%)
Green138 (54.1%)
Blue171 (67.1%)
Hue191.58°
Saturation (HSL)100%
Lightness33.53%
Dominant channelBlue
Hex per channelR 00 · G 8A · B AB

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Every value on this page was computed from “008aab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.