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Recognised as Colour

#005CB1

  • #005CB1
  • Blue
  • Dark
  • Nearest: Dark slateblue

#005CB1 is a blue with RGB values 0, 92, 177 and HSL 209°, 100%, 35%. 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

#005CB1#005CB1
HEX#005CB1
RGBrgb(0, 92, 177)
RGB (0–1)0, 0.3608, 0.6941
RGB percentages0%, 36.1%, 69.4%
HSLhsl(208.8, 100%, 34.7%)
HSV / HSBhsv(208.8, 100%, 69.4%)
CMYK100%, 48%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer23,729
CSS custom property--colour: #005CB1;

Brightness & contrast

Relative luminance0.10829WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.63:1
Contrast with white6.63:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#FFA34E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2964B4no red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#0056AFno green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#00717Eno blue cones; rare, and affects men and women equally; ΔE 49.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.63:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 19.8Royal blue · ΔE 22.4Cornflower blue · ΔE 22.8Dodgerblue · ΔE 23.4Slate blue · ΔE 26.7Steel blue · ΔE 27.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B15500
Analogous#00B1AD, #0004B1
Triadic#B1005C, #5CB100
Split complementary#B10004, #B1AD00
Tetradic#AD00B1, #B15500, #04B100

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7EC1FF
Lighter +30%#4BA9FF
Lighter +20%#1890FF
Lighter +10%#0077E4
Darker −10%#00417E
Darker −20%#00274B
Darker −30%#000C18
Darker −40%#000000
More saturated +25%#005CB1
Less saturated −25%#165B9B

Channel breakdown

R0
G92
B177
Red0 (0%)
Green92 (36.1%)
Blue177 (69.4%)
Hue208.81°
Saturation (HSL)100%
Lightness34.71%
Dominant channelBlue
Hex per channelR 00 · G 5C · B B1

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Every value on this page was computed from “005cb1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.