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Colour

#008F9B

  • #008F9B
  • Cyan
  • Dark
  • Nearest: Dark cyan

#008F9B is a cyan with RGB values 0, 143, 155 and HSL 185°, 100%, 30%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#008F9B#008F9B
HEX#008F9B
RGBrgb(0, 143, 155)
RGB (0–1)0, 0.5608, 0.6078
RGB percentages0%, 56.1%, 60.8%
HSLhsl(184.6, 100%, 30.4%)
HSV / HSBhsv(184.6, 100%, 60.8%)
CMYK100%, 7.7%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer36,763
CSS custom property--colour: #008F9B;

Brightness & contrast

Relative luminance0.22011WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.4:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.4:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#FF7064

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#82899Cno red cones; affects about 1% of men; ΔE 29.4 from the original
Deuteranopia#707C9Bno green cones; the most common form, about 1% of men; ΔE 30.4 from the original
Tritanopia#009692no blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.4:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 7.5Teal · ΔE 9.2Cadetblue · ΔE 13.2Light seagreen · ΔE 18Dark turquoise · ΔE 24.8Light slate grey · ΔE 25.5
Nearest named CSS colourDark cyan (#008B8B)ΔE 7.51, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B0C00
Analogous#009B59, #00429B
Triadic#9B008F, #8F9B00
Split complementary#9B0042, #9B5900
Tetradic#59009B, #9B0C00, #429B00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#68F3FF
Lighter +30%#35EFFF
Lighter +20%#02EBFF
Lighter +10%#00BECE
Darker −10%#006068
Darker −20%#003135
Darker −30%#000202
Darker −40%#000000
More saturated +25%#008F9B
Less saturated −25%#137F88

Channel breakdown

R0
G143
B155
Red0 (0%)
Green143 (56.1%)
Blue155 (60.8%)
Hue184.65°
Saturation (HSL)100%
Lightness30.39%
Dominant channelBlue
Hex per channelR 00 · G 8F · B 9B

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Every value on this page was computed from “008f9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.