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Colour

#045EFC

  • #045EFC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#045EFC is a blue with RGB values 4, 94, 252 and HSL 218°, 98%, 50%. 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

#045EFC#045EFC
HEX#045EFC
RGBrgb(4, 94, 252)
RGB (0–1)0.0157, 0.3686, 0.9882
RGB percentages1.6%, 36.9%, 98.8%
HSLhsl(218.2, 97.6%, 50.2%)
HSV / HSBhsv(218.2, 98.4%, 98.8%)
CMYK98.4%, 62.7%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer286,460
CSS custom property--colour: #045EFC;

Brightness & contrast

Relative luminance0.15059WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.5 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#565656
Inverted#FBA103

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0077FFno red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#0062F9no green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#0088A4no blue cones; rare, and affects men and women equally; ΔE 85.2 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 19.7Royal blue · ΔE 22.8Slate blue · ΔE 26.4Blue violet · ΔE 32.2Medium purple · ΔE 35.2Dark orchid · ΔE 35.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCA204
Analogous#04DAFC, #2604FC
Triadic#FC045E, #5EFC04
Split complementary#FC2604, #DAFC04
Tetradic#FC04DA, #FCA204, #04FC26

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEDFFE
Lighter +30%#9BBFFE
Lighter +20%#699FFD
Lighter +10%#367EFD
Darker −10%#024BCB
Darker −20%#023898
Darker −30%#012666
Darker −40%#011333
More saturated +25%#015DFF
Less saturated −25%#2467DC

Channel breakdown

R4
G94
B252
Red4 (1.6%)
Green94 (36.9%)
Blue252 (98.8%)
Hue218.23°
Saturation (HSL)97.64%
Lightness50.2%
Dominant channelBlue
Hex per channelR 04 · G 5E · B FC

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Every value on this page was computed from “045efc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.