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Recognised as Colour

#0B377B

  • #0B377B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0B377B is a blue with RGB values 11, 55, 123 and HSL 216°, 84%, 26%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0B377B#0B377B
HEX#0B377B
RGBrgb(11, 55, 123)
RGB (0–1)0.0431, 0.2157, 0.4824
RGB percentages4.3%, 21.6%, 48.2%
HSLhsl(216.4, 83.6%, 26.3%)
HSV / HSBhsv(216.4, 91.1%, 48.2%)
CMYK91.1%, 55.3%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer735,099
CSS custom property--colour: #0B377B;

Brightness & contrast

Relative luminance0.04234WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.37:1
Contrast with white11.37:1WCAG normal text: AAA
Contrast with black1.85:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#F4C884

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003F7Dno red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#00357Ano green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#004853no blue cones; rare, and affects men and women equally; ΔE 42.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.37:1WCAG large text: AAA
Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.6Midnight blue · ΔE 20.8Rebecca purple · ΔE 30.4Slate blue · ΔE 33.9Royal blue · ΔE 34.8Steel blue · ΔE 35
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B4F0B
Analogous#0B6F7B, #170B7B
Triadic#7B0B37, #377B0B
Split complementary#7B170B, #6F7B0B
Tetradic#7B0B6F, #7B4F0B, #0B7B17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#619AF1
Lighter +30%#327CED
Lighter +20%#1361D9
Lighter +10%#0F4CAA
Darker −10%#07224C
Darker −20%#030D1D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003586
Less saturated −25%#1C3B6A

Channel breakdown

R11
G55
B123
Red11 (4.3%)
Green55 (21.6%)
Blue123 (48.2%)
Hue216.43°
Saturation (HSL)83.58%
Lightness26.27%
Dominant channelBlue
Hex per channelR 0B · G 37 · B 7B

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Every value on this page was computed from “0b377b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.