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Recognised as Colour

#457AE7

  • #457AE7
  • Blue
  • Dark
  • Nearest: Royal blue

#457AE7 is a blue with RGB values 69, 122, 231 and HSL 220°, 77%, 59%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#457AE7#457AE7
HEX#457AE7
RGBrgb(69, 122, 231)
RGB (0–1)0.2706, 0.4784, 0.9059
RGB percentages27.1%, 47.8%, 90.6%
HSLhsl(220.4, 77.1%, 58.8%)
HSV / HSBhsv(220.4, 70.1%, 90.6%)
CMYK70.1%, 47.2%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,553,447
CSS custom property--colour: #457AE7;

Brightness & contrast

Relative luminance0.20954WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.19:1
Contrast with white4.05:1WCAG normal text: Fail
Contrast with black5.19:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#BA8518

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F86EBno red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#1477E5no green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#0094A5no blue cones; rare, and affects men and women equally; ΔE 61.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.05:1WCAG large text: AA
Contrast with black, large text5.19:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.6Dodgerblue · ΔE 11Cornflower blue · ΔE 16.9Slate blue · ΔE 19.4Medium purple · ΔE 21.3Medium slateblue · ΔE 23.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7B245
Analogous#45CBE7, #6145E7
Triadic#E7457A, #7AE745
Split complementary#E76145, #CBE745
Tetradic#E745CB, #E7B245, #45E761

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFBFE
Lighter +30%#CDDBF8
Lighter +20%#9FBBF3
Lighter +10%#729AED
Darker −10%#1C5BDD
Darker −20%#1749AF
Darker −30%#113682
Darker −40%#0B2355
More saturated +25%#2D72FF
Less saturated −25%#5F83CD

Channel breakdown

R69
G122
B231
Red69 (27.1%)
Green122 (47.8%)
Blue231 (90.6%)
Hue220.37°
Saturation (HSL)77.14%
Lightness58.82%
Dominant channelBlue
Hex per channelR 45 · G 7A · B E7

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Every value on this page was computed from “457ae7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.