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Colour

#0B4751

  • #0B4751
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0B4751 is a cyan with RGB values 11, 71, 81 and HSL 189°, 76%, 18%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B4751#0B4751
HEX#0B4751
RGBrgb(11, 71, 81)
RGB (0–1)0.0431, 0.2784, 0.3176
RGB percentages4.3%, 27.8%, 31.8%
HSLhsl(188.6, 76.1%, 18%)
HSV / HSBhsv(188.6, 86.4%, 31.8%)
CMYK86.4%, 12.3%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer739,153
CSS custom property--colour: #0B4751;

Brightness & contrast

Relative luminance0.05172WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.32:1
Contrast with white10.32:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#F4B8AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4452no red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#363D51no green cones; the most common form, about 1% of men; ΔE 16.9 from the original
Tritanopia#004B4Ano blue cones; rare, and affects men and women equally; ΔE 8.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.32:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.9Dim grey · ΔE 25Teal · ΔE 25.8Slate grey · ΔE 28.3Dark cyan · ΔE 30Light slate grey · ΔE 31.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.86, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#51150B
Analogous#0B5138, #0B2451
Triadic#510B47, #47510B
Split complementary#510B24, #51380B
Tetradic#380B51, #51150B, #24510B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#43CEE5
Lighter +30%#1DBDD8
Lighter +20%#1796AB
Lighter +10%#116E7E
Darker −10%#052024
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004F5C
Less saturated −25%#173F46

Channel breakdown

R11
G71
B81
Red11 (4.3%)
Green71 (27.8%)
Blue81 (31.8%)
Hue188.57°
Saturation (HSL)76.09%
Lightness18.04%
Dominant channelBlue
Hex per channelR 0B · G 47 · B 51

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Every value on this page was computed from “0b4751” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.