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Recognised as Colour

#0B3F38

  • #0B3F38
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0B3F38 is a cyan with RGB values 11, 63, 56 and HSL 172°, 70%, 15%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B3F38#0B3F38
HEX#0B3F38
RGBrgb(11, 63, 56)
RGB (0–1)0.0431, 0.2471, 0.2196
RGB percentages4.3%, 24.7%, 22%
HSLhsl(171.9, 70.3%, 14.5%)
HSV / HSBhsv(171.9, 82.5%, 24.7%)
CMYK82.5%, 0%, 11.1%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer737,080
CSS custom property--colour: #0B3F38;

Brightness & contrast

Relative luminance0.03912WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.78:1
Contrast with white11.78:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#F4C0C7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C3B38no red cones; affects about 1% of men; ΔE 18.5 from the original
Deuteranopia#353539no green cones; the most common form, about 1% of men; ΔE 19.6 from the original
Tritanopia#00403Dno blue cones; rare, and affects men and women equally; ΔE 3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.78:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.9Dim grey · ΔE 28Teal · ΔE 28.1Black · ΔE 29.8Dark cyan · ΔE 32.4Slate grey · ΔE 35.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.89, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F0B12
Analogous#0B3F1E, #0B2C3F
Triadic#380B3F, #3F380B
Split complementary#3F0B2C, #3F1E0B
Tetradic#1E0B3F, #3F0B12, #2C3F0B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#39DDC7
Lighter +30%#22C1AC
Lighter +20%#1A9685
Lighter +10%#136A5F
Darker −10%#031411
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#02483F
Less saturated −25%#143631

Channel breakdown

R11
G63
B56
Red11 (4.3%)
Green63 (24.7%)
Blue56 (22%)
Hue171.92°
Saturation (HSL)70.27%
Lightness14.51%
Dominant channelGreen
Hex per channelR 0B · G 3F · B 38

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Every value on this page was computed from “0b3f38” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.