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Recognised as Colour

#0B5857

  • #0B5857
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0B5857 is a cyan with RGB values 11, 88, 87 and HSL 179°, 78%, 19%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B5857#0B5857
HEX#0B5857
RGBrgb(11, 88, 87)
RGB (0–1)0.0431, 0.3451, 0.3412
RGB percentages4.3%, 34.5%, 34.1%
HSLhsl(179.2, 77.8%, 19.4%)
HSV / HSBhsv(179.2, 87.5%, 34.5%)
CMYK87.5%, 0%, 1.1%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer743,511
CSS custom property--colour: #0B5857;

Brightness & contrast

Relative luminance0.07739WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.24:1
Contrast with white8.24:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#F4A7A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525357no red cones; affects about 1% of men; ΔE 22.3 from the original
Deuteranopia#474B58no green cones; the most common form, about 1% of men; ΔE 23.2 from the original
Tritanopia#005B58no blue cones; rare, and affects men and women equally; ΔE 2.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.24:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.2Teal · ΔE 16.8Dark cyan · ΔE 21.1Dim grey · ΔE 24.8Slate grey · ΔE 27.8Cadetblue · ΔE 27.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.19, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#580B0C
Analogous#0B5831, #0B3358
Triadic#570B58, #58570B
Split complementary#580B33, #58300B
Tetradic#300B58, #580B0C, #33580B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#47E8E6
Lighter +30%#1CE0DD
Lighter +20%#16B3B1
Lighter +10%#118584
Darker −10%#052B2A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006362
Less saturated −25%#174C4B

Channel breakdown

R11
G88
B87
Red11 (4.3%)
Green88 (34.5%)
Blue87 (34.1%)
Hue179.22°
Saturation (HSL)77.78%
Lightness19.41%
Dominant channelGreen
Hex per channelR 0B · G 58 · B 57

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Every value on this page was computed from “0b5857” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.