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Colour

#4457FC

  • #4457FC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#4457FC is a blue with RGB values 68, 87, 252 and HSL 234°, 97%, 63%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#4457FC#4457FC
HEX#4457FC
RGBrgb(68, 87, 252)
RGB (0–1)0.2667, 0.3412, 0.9882
RGB percentages26.7%, 34.1%, 98.8%
HSLhsl(233.8, 96.8%, 62.7%)
HSV / HSBhsv(233.8, 73%, 98.8%)
CMYK73%, 65.5%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,478,972
CSS custom property--colour: #4457FC;

Brightness & contrast

Relative luminance0.15074WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.23:1
Contrast with white5.23:1WCAG normal text: AA
Contrast with black4.01:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#BBA803

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0075FFno red cones; affects about 1% of men; ΔE 23.7 from the original
Deuteranopia#0064F9no green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#0083A2no blue cones; rare, and affects men and women equally; ΔE 88.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.23:1WCAG large text: AAA
Contrast with black, large text4.01:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 20.4Blue violet · ΔE 24.7Royal blue · ΔE 28Slate blue · ΔE 28.3Medium blue · ΔE 29.9Dark orchid · ΔE 29.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.44, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCE944
Analogous#44B3FC, #8D44FC
Triadic#FC4457, #57FC44
Split complementary#FC8D44, #B3FC44
Tetradic#FC44B3, #FCE944, #44FC8D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DBDEFE
Lighter +20%#A8B1FE
Lighter +10%#7684FD
Darker −10%#122AFB
Darker −20%#0319D7
Darker −30%#0313A4
Darker −40%#020D72
More saturated +25%#4155FF
Less saturated −25%#5C6AE4

Channel breakdown

R68
G87
B252
Red68 (26.7%)
Green87 (34.1%)
Blue252 (98.8%)
Hue233.8°
Saturation (HSL)96.84%
Lightness62.75%
Dominant channelBlue
Hex per channelR 44 · G 57 · B FC

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Every value on this page was computed from “4457fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.