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Colour

#001CEE

  • #001CEE
  • Blue
  • Dark
  • Nearest: Medium blue

#001CEE is a blue with RGB values 0, 28, 238 and HSL 233°, 100%, 47%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#001CEE#001CEE
HEX#001CEE
RGBrgb(0, 28, 238)
RGB (0–1)0, 0.1098, 0.9333
RGB percentages0%, 11%, 93.3%
HSLhsl(232.9, 100%, 46.7%)
HSV / HSBhsv(232.9, 100%, 93.3%)
CMYK100%, 88.2%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,406
CSS custom property--colour: #001CEE;

Brightness & contrast

Relative luminance0.07004WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.75:1
Contrast with white8.75:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#FFE311

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056F3no red cones; affects about 1% of men; ΔE 34.2 from the original
Deuteranopia#003EEBno green cones; the most common form, about 1% of men; ΔE 20.1 from the original
Tritanopia#00678Dno blue cones; rare, and affects men and women equally; ΔE 107.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.75:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.4Blue · ΔE 13.4Blue violet · ΔE 26.4Dark violet · ΔE 30.6Dark blue · ΔE 39.5Dark orchid · ΔE 40.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EED200
Analogous#0093EE, #5B00EE
Triadic#EE001C, #1CEE00
Split complementary#EE5B00, #93EE00
Tetradic#EE0093, #EED200, #00EE5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC3FF
Lighter +30%#8896FF
Lighter +20%#5569FF
Lighter +10%#223CFF
Darker −10%#0016BB
Darker −20%#001088
Darker −30%#000A55
Darker −40%#000422
More saturated +25%#001CEE
Less saturated −25%#1E33D0

Channel breakdown

R0
G28
B238
Red0 (0%)
Green28 (11%)
Blue238 (93.3%)
Hue232.94°
Saturation (HSL)100%
Lightness46.67%
Dominant channelBlue
Hex per channelR 00 · G 1C · B EE

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Every value on this page was computed from “001cee” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.