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Recognised as Colour

#0A5537

  • #0A5537
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0A5537 is a cyan with RGB values 10, 85, 55 and HSL 156°, 79%, 19%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0A5537#0A5537
HEX#0A5537
RGBrgb(10, 85, 55)
RGB (0–1)0.0392, 0.3333, 0.2157
RGB percentages3.9%, 33.3%, 21.6%
HSLhsl(156, 78.9%, 18.6%)
HSV / HSBhsv(156, 88.2%, 33.3%)
CMYK88.2%, 0%, 35.3%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer677,175
CSS custom property--colour: #0A5537;

Brightness & contrast

Relative luminance0.06837WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.87:1
Contrast with white8.87:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#F5AAC8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#544E35no red cones; affects about 1% of men; ΔE 28.1 from the original
Deuteranopia#4B4739no green cones; the most common form, about 1% of men; ΔE 28.7 from the original
Tritanopia#00554Dno blue cones; rare, and affects men and women equally; ΔE 14.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.87:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.5Sea green · ΔE 24.1Dark olivegreen · ΔE 24.4Teal · ΔE 26.1Dark cyan · ΔE 29.2Dark green · ΔE 33.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.52, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#550A28
Analogous#0A5512, #0A4E55
Triadic#370A55, #55370A
Split complementary#550A4E, #55120A
Tetradic#110A55, #550A28, #4E550A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#42E9A6
Lighter +30%#1ADE90
Lighter +20%#15B072
Lighter +10%#0F8355
Darker −10%#052719
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005F39
Less saturated −25%#164935

Channel breakdown

R10
G85
B55
Red10 (3.9%)
Green85 (33.3%)
Blue55 (21.6%)
Hue156°
Saturation (HSL)78.95%
Lightness18.63%
Dominant channelGreen
Hex per channelR 0A · G 55 · B 37

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Every value on this page was computed from “0a5537” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.