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Recognised as Colour

#0013EF

  • #0013EF
  • Blue
  • Dark
  • Nearest: Blue

#0013EF is a blue with RGB values 0, 19, 239 and HSL 235°, 100%, 47%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#0013EF#0013EF
HEX#0013EF
RGBrgb(0, 19, 239)
RGB (0–1)0, 0.0745, 0.9373
RGB percentages0%, 7.5%, 93.7%
HSLhsl(235.2, 100%, 46.9%)
HSV / HSBhsv(235.2, 100%, 93.7%)
CMYK100%, 92.1%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,103
CSS custom property--colour: #0013EF;

Brightness & contrast

Relative luminance0.06698WCAG 2.x, 0 is black and 1 is white
Perceived brightness82 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.98:1
Contrast with white8.98:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#FFEC10

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055F4no red cones; affects about 1% of men; ΔE 36.3 from the original
Deuteranopia#003CECno green cones; the most common form, about 1% of men; ΔE 21.7 from the original
Tritanopia#00668Dno blue cones; rare, and affects men and women equally; ΔE 109.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.98:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Blue · ΔE 10.2Medium blue · ΔE 12.1Blue violet · ΔE 28.4Dark violet · ΔE 31.9Dark blue · ΔE 42Dark orchid · ΔE 43.1
Nearest named CSS colourBlue (#0000FF)ΔE 10.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFDC00
Analogous#008AEF, #6500EF
Triadic#EF0013, #13EF00
Split complementary#EF6500, #8AEF00
Tetradic#EF008A, #EFDC00, #00EF65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCC1FF
Lighter +30%#8992FF
Lighter +20%#5663FF
Lighter +10%#2334FF
Darker −10%#000FBC
Darker −20%#000B89
Darker −30%#000756
Darker −40%#000323
More saturated +25%#0013EF
Less saturated −25%#1E2CD1

Channel breakdown

R0
G19
B239
Red0 (0%)
Green19 (7.5%)
Blue239 (93.7%)
Hue235.23°
Saturation (HSL)100%
Lightness46.86%
Dominant channelBlue
Hex per channelR 00 · G 13 · B EF

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Every value on this page was computed from “0013ef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.