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Colour

#457AE4

  • #457AE4
  • Blue
  • Dark
  • Nearest: Dodgerblue

#457AE4 is a blue with RGB values 69, 122, 228 and HSL 220°, 75%, 58%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#457AE4#457AE4
HEX#457AE4
RGBrgb(69, 122, 228)
RGB (0–1)0.2706, 0.4784, 0.8941
RGB percentages27.1%, 47.8%, 89.4%
HSLhsl(220, 74.6%, 58.2%)
HSV / HSBhsv(220, 69.7%, 89.4%)
CMYK69.7%, 46.5%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,553,444
CSS custom property--colour: #457AE4;

Brightness & contrast

Relative luminance0.20786WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.16:1
Contrast with white4.07:1WCAG normal text: Fail
Contrast with black5.16:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#BA851B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4286E8no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#1D77E2no green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#0093A4no blue cones; rare, and affects men and women equally; ΔE 59.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.07:1WCAG large text: AA
Contrast with black, large text5.16:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 10.8Royal blue · ΔE 12Cornflower blue · ΔE 15.6Slate blue · ΔE 20.2Medium purple · ΔE 21.6Medium slateblue · ΔE 24.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4AF45
Analogous#45CAE4, #6045E4
Triadic#E4457A, #7AE445
Split complementary#E46045, #CAE445
Tetradic#E445C9, #E4AF45, #45E45F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F9FE
Lighter +30%#CBDAF7
Lighter +20%#9EBAF1
Lighter +10%#729AEA
Darker −10%#1F5CD7
Darker −20%#1949AA
Darker −30%#12367E
Darker −40%#0C2351
More saturated +25%#2A71FF
Less saturated −25%#6083C9

Channel breakdown

R69
G122
B228
Red69 (27.1%)
Green122 (47.8%)
Blue228 (89.4%)
Hue220°
Saturation (HSL)74.65%
Lightness58.24%
Dominant channelBlue
Hex per channelR 45 · G 7A · B E4

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Every value on this page was computed from “457ae4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.