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Recognised as Colour

#0133C8

  • #0133C8
  • Blue
  • Dark
  • Nearest: Dark blue

#0133C8 is a blue with RGB values 1, 51, 200 and HSL 225°, 99%, 39%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0133C8#0133C8
HEX#0133C8
RGBrgb(1, 51, 200)
RGB (0–1)0.0039, 0.2, 0.7843
RGB percentages0.4%, 20%, 78.4%
HSLhsl(224.9, 99%, 39.4%)
HSV / HSBhsv(224.9, 99.5%, 78.4%)
CMYK99.5%, 74.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer78,792
CSS custom property--colour: #0133C8;

Brightness & contrast

Relative luminance0.06544WCAG 2.x, 0 is black and 1 is white
Perceived brightness78 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.1:1
Contrast with white9.1:1WCAG normal text: AAA
Contrast with black2.31:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FECC37

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052CCno red cones; affects about 1% of men; ΔE 22.4 from the original
Deuteranopia#003FC5no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#00607Bno blue cones; rare, and affects men and women equally; ΔE 83.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.1:1WCAG large text: AAA
Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Dark blue · ΔE 19.4Navy · ΔE 22.8Medium blue · ΔE 24.7Medium slateblue · ΔE 26Blue violet · ΔE 26.2Slate blue · ΔE 27.8
Nearest named CSS colourDark blue (#00008B)ΔE 19.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C89601
Analogous#0197C8, #3301C8
Triadic#C80133, #33C801
Split complementary#C83301, #96C801
Tetradic#C80197, #C89601, #01C833

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#97B1FE
Lighter +30%#648BFE
Lighter +20%#3165FE
Lighter +10%#0140FB
Darker −10%#012695
Darker −20%#001963
Darker −30%#000C30
Darker −40%#000000
More saturated +25%#0033C9
Less saturated −25%#1A3FAF

Channel breakdown

R1
G51
B200
Red1 (0.4%)
Green51 (20%)
Blue200 (78.4%)
Hue224.92°
Saturation (HSL)99%
Lightness39.41%
Dominant channelBlue
Hex per channelR 01 · G 33 · B C8

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Every value on this page was computed from “0133c8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.