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Recognised as Colour

#457CCF

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

#457CCF is a blue with RGB values 69, 124, 207 and HSL 216°, 59%, 54%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#457CCF#457CCF
HEX#457CCF
RGBrgb(69, 124, 207)
RGB (0–1)0.2706, 0.4863, 0.8118
RGB percentages27.1%, 48.6%, 81.2%
HSLhsl(216.1, 59%, 54.1%)
HSV / HSBhsv(216.1, 66.7%, 81.2%)
CMYK66.7%, 40.1%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,553,935
CSS custom property--colour: #457CCF;

Brightness & contrast

Relative luminance0.20186WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.04:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.04:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#BA8330

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5683D2no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#4176CDno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#008F9Bno blue cones; rare, and affects men and women equally; ΔE 48.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.17:1WCAG large text: AA
Contrast with black, large text5.04:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10Dodgerblue · ΔE 16.8Steel blue · ΔE 20.5Royal blue · ΔE 24.9Dark slateblue · ΔE 28.2Medium purple · ΔE 28.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.96, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF9845
Analogous#45C1CF, #5345CF
Triadic#CF457C, #7CCF45
Split complementary#CF5345, #C1CF45
Tetradic#CF45C1, #CF9845, #45CF53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7EEF9
Lighter +30%#BFD2EE
Lighter +20%#96B5E4
Lighter +10%#6E99D9
Darker −10%#2E63B3
Darker −20%#244D8A
Darker −30%#193662
Darker −40%#0F2039
More saturated +25%#2876EC
Less saturated −25%#6282B2

Channel breakdown

R69
G124
B207
Red69 (27.1%)
Green124 (48.6%)
Blue207 (81.2%)
Hue216.09°
Saturation (HSL)58.97%
Lightness54.12%
Dominant channelBlue
Hex per channelR 45 · G 7C · B CF

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