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Colour

#4263FC

  • #4263FC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#4263FC is a blue with RGB values 66, 99, 252 and HSL 229°, 97%, 62%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#4263FC#4263FC
HEX#4263FC
RGBrgb(66, 99, 252)
RGB (0–1)0.2588, 0.3882, 0.9882
RGB percentages25.9%, 38.8%, 98.8%
HSLhsl(229.4, 96.9%, 62.4%)
HSV / HSBhsv(229.4, 73.8%, 98.8%)
CMYK73.8%, 60.7%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,350,972
CSS custom property--colour: #4263FC;

Brightness & contrast

Relative luminance0.1711WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.75:1
Contrast with white4.75:1WCAG normal text: AA
Contrast with black4.42:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#BD9C03

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007CFFno red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#006AF9no green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#008AA6no blue cones; rare, and affects men and women equally; ΔE 82.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.75:1WCAG large text: AAA
Contrast with black, large text4.42:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 14.6Royal blue · ΔE 19.5Slate blue · ΔE 22.2Medium purple · ΔE 30.3Blue violet · ΔE 31.2Dark orchid · ΔE 32.4
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCDB42
Analogous#42C0FC, #7E42FC
Triadic#FC4263, #63FC42
Split complementary#FC7E42, #C0FC42
Tetradic#FC42C0, #FCDB42, #42FC7E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9DFFE
Lighter +20%#A6B6FE
Lighter +10%#748CFD
Darker −10%#103AFB
Darker −20%#0328D5
Darker −30%#031FA2
Darker −40%#021570
More saturated +25%#3F61FF
Less saturated −25%#5A72E4

Channel breakdown

R66
G99
B252
Red66 (25.9%)
Green99 (38.8%)
Blue252 (98.8%)
Hue229.35°
Saturation (HSL)96.88%
Lightness62.35%
Dominant channelBlue
Hex per channelR 42 · G 63 · B FC

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Every value on this page was computed from “4263fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.