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Colour

#2F00C8

  • #2F00C8
  • Blue
  • Dark
  • Nearest: Medium blue

#2F00C8 is a blue with RGB values 47, 0, 200 and HSL 254°, 100%, 39%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2F00C8#2F00C8
HEX#2F00C8
RGBrgb(47, 0, 200)
RGB (0–1)0.1843, 0, 0.7843
RGB percentages18.4%, 0%, 78.4%
HSLhsl(254.1, 100%, 39.2%)
HSV / HSBhsv(254.1, 100%, 78.4%)
CMYK76.5%, 100%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,080,392
CSS custom property--colour: #2F00C8;

Brightness & contrast

Relative luminance0.04774WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.74:1
Contrast with white10.74:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#D0FF37

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0046CDno red cones; affects about 1% of men; ΔE 33.9 from the original
Deuteranopia#0035C5no green cones; the most common form, about 1% of men; ΔE 24.7 from the original
Tritanopia#005174no blue cones; rare, and affects men and women equally; ΔE 95.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.74:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5Blue violet · ΔE 20.3Dark violet · ΔE 23.3Blue · ΔE 25.4Dark blue · ΔE 26.7Dark orchid · ΔE 31.7
Nearest named CSS colourMedium blue (#0000CD)ΔE 4.98, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#99C800
Analogous#0035C8, #9300C8
Triadic#C82F00, #00C82F
Split complementary#C89300, #35C800
Tetradic#C80035, #99C800, #00C893

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AE95FF
Lighter +30%#8762FF
Lighter +20%#602FFF
Lighter +10%#3B00FB
Darker −10%#230095
Darker −20%#170062
Darker −30%#0B002F
Darker −40%#000000
More saturated +25%#2F00C8
Less saturated −25%#3C19AF

Channel breakdown

R47
G0
B200
Red47 (18.4%)
Green0 (0%)
Blue200 (78.4%)
Hue254.1°
Saturation (HSL)100%
Lightness39.22%
Dominant channelBlue
Hex per channelR 2F · G 00 · B C8

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Every value on this page was computed from “2f00c8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.