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Recognised as Colour

#0B5CB4

  • #0B5CB4
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0B5CB4 is a blue with RGB values 11, 92, 180 and HSL 211°, 88%, 37%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0B5CB4#0B5CB4
HEX#0B5CB4
RGBrgb(11, 92, 180)
RGB (0–1)0.0431, 0.3608, 0.7059
RGB percentages4.3%, 36.1%, 70.6%
HSLhsl(211.2, 88.5%, 37.5%)
HSV / HSBhsv(211.2, 93.9%, 70.6%)
CMYK93.9%, 48.9%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer744,628
CSS custom property--colour: #0B5CB4;

Brightness & contrast

Relative luminance0.11021WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.55:1
Contrast with white6.55:1WCAG normal text: AA
Contrast with black3.2:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#F4A34B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2665B7no red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#0057B2no green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#00727Fno blue cones; rare, and affects men and women equally; ΔE 51.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.55:1WCAG large text: AAA
Contrast with black, large text3.2:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 19.3Royal blue · ΔE 20.4Dodgerblue · ΔE 22.6Cornflower blue · ΔE 22.8Slate blue · ΔE 24.7Medium purple · ΔE 28.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B4630B
Analogous#0BB1B4, #0E0BB4
Triadic#B40B5C, #5CB40B
Split complementary#B40E0B, #B1B40B
Tetradic#B40BB1, #B4630B, #0BB40E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#93C3F8
Lighter +30%#63A9F5
Lighter +20%#328FF3
Lighter +10%#0E75E4
Darker −10%#084384
Darker −20%#052B54
Darker −30%#021224
Darker −40%#000000
More saturated +25%#005CBF
Less saturated −25%#235D9C

Channel breakdown

R11
G92
B180
Red11 (4.3%)
Green92 (36.1%)
Blue180 (70.6%)
Hue211.24°
Saturation (HSL)88.48%
Lightness37.45%
Dominant channelBlue
Hex per channelR 0B · G 5C · B B4

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Every value on this page was computed from “0b5cb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.