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Colour

#457ED7

  • #457ED7
  • Blue
  • Dark
  • Nearest: Cornflower blue

#457ED7 is a blue with RGB values 69, 126, 215 and HSL 217°, 65%, 56%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#457ED7#457ED7
HEX#457ED7
RGBrgb(69, 126, 215)
RGB (0–1)0.2706, 0.4941, 0.8431
RGB percentages27.1%, 49.4%, 84.3%
HSLhsl(216.6, 64.6%, 55.7%)
HSV / HSBhsv(216.6, 67.9%, 84.3%)
CMYK67.9%, 41.4%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,554,455
CSS custom property--colour: #457ED7;

Brightness & contrast

Relative luminance0.21093WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.22:1
Contrast with white4.02:1WCAG normal text: Fail
Contrast with black5.22:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#BA8128

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5486DAno red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#3D78D5no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#0093A0no blue cones; rare, and affects men and women equally; ΔE 51.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.02:1WCAG large text: AA
Contrast with black, large text5.22:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.1Dodgerblue · ΔE 13.7Royal blue · ΔE 22Steel blue · ΔE 23.8Medium purple · ΔE 26.7Slate blue · ΔE 27.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.12, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D79E45
Analogous#45C7D7, #5545D7
Triadic#D7457E, #7ED745
Split complementary#D75545, #C7D745
Tetradic#D745C7, #D79E45, #45D755

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDF2FB
Lighter +30%#C3D5F2
Lighter +20%#99B8E9
Lighter +10%#6F9BE0
Darker −10%#2964C0
Darker −20%#204E96
Darker −30%#17386C
Darker −40%#0E2242
More saturated +25%#2978F3
Less saturated −25%#6184BB

Channel breakdown

R69
G126
B215
Red69 (27.1%)
Green126 (49.4%)
Blue215 (84.3%)
Hue216.58°
Saturation (HSL)64.6%
Lightness55.69%
Dominant channelBlue
Hex per channelR 45 · G 7E · B D7

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Every value on this page was computed from “457ed7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.