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Recognised as Colour

#0B4F40

  • #0B4F40
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0B4F40 is a cyan with RGB values 11, 79, 64 and HSL 167°, 76%, 18%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B4F40#0B4F40
HEX#0B4F40
RGBrgb(11, 79, 64)
RGB (0–1)0.0431, 0.3098, 0.251
RGB percentages4.3%, 31%, 25.1%
HSLhsl(166.8, 75.6%, 17.6%)
HSV / HSBhsv(166.8, 86.1%, 31%)
CMYK86.1%, 0%, 19%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer741,184
CSS custom property--colour: #0B4F40;

Brightness & contrast

Relative luminance0.06033WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.52:1
Contrast with white9.52:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#F4B0BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C493Fno red cones; affects about 1% of men; ΔE 23.8 from the original
Deuteranopia#434341no green cones; the most common form, about 1% of men; ΔE 23.9 from the original
Tritanopia#00504Bno blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.52:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.4Teal · ΔE 22.5Dark cyan · ΔE 26.5Dim grey · ΔE 28.6Dark olivegreen · ΔE 30.7Sea green · ΔE 31.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.4, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F0B1A
Analogous#0B4F1E, #0B3C4F
Triadic#400B4F, #4F400B
Split complementary#4F0B3C, #4F1E0B
Tetradic#1E0B4F, #4F0B1A, #3C4F0B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#41E5C1
Lighter +30%#1ED5AD
Lighter +20%#17A989
Lighter +10%#117C64
Darker −10%#05221C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005A46
Less saturated −25%#16443A

Channel breakdown

R11
G79
B64
Red11 (4.3%)
Green79 (31%)
Blue64 (25.1%)
Hue166.76°
Saturation (HSL)75.56%
Lightness17.65%
Dominant channelGreen
Hex per channelR 0B · G 4F · B 40

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Every value on this page was computed from “0b4f40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.