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Recognised as Colour

#4657B7

  • #4657B7
  • Blue
  • Dark
  • Nearest: Slate blue

#4657B7 is a blue with RGB values 70, 87, 183 and HSL 231°, 45%, 50%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#4657B7#4657B7
HEX#4657B7
RGBrgb(70, 87, 183)
RGB (0–1)0.2745, 0.3412, 0.7176
RGB percentages27.5%, 34.1%, 71.8%
HSLhsl(231, 44.7%, 49.6%)
HSV / HSBhsv(231, 61.7%, 71.8%)
CMYK61.7%, 52.5%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,609,975
CSS custom property--colour: #4657B7;

Brightness & contrast

Relative luminance0.11537WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.35:1
Contrast with white6.35:1WCAG normal text: AA
Contrast with black3.31:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#B9A848

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E65BAno red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#005BB5no green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#006D7Eno blue cones; rare, and affects men and women equally; ΔE 56.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.35:1WCAG large text: AAA
Contrast with black, large text3.31:1WCAG large text: AA

Named colours

Slate blue · ΔE 14.2Royal blue · ΔE 14.6Dark slateblue · ΔE 14.8Medium purple · ΔE 19.8Rebecca purple · ΔE 21.5Medium slateblue · ΔE 24.4
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 14.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B7A646
Analogous#4690B7, #6D46B7
Triadic#B74657, #57B746
Split complementary#B76E46, #90B746
Tetradic#B74690, #B7A646, #46B76E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9DCF0
Lighter +30%#B4BBE2
Lighter +20%#8F99D4
Lighter +10%#6A78C6
Darker −10%#384592
Darker −20%#2A346D
Darker −30%#1C2248
Darker −40%#0E1123
More saturated +25%#2641D7
Less saturated −25%#666D97

Channel breakdown

R70
G87
B183
Red70 (27.5%)
Green87 (34.1%)
Blue183 (71.8%)
Hue230.97°
Saturation (HSL)44.66%
Lightness49.61%
Dominant channelBlue
Hex per channelR 46 · G 57 · B B7

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Every value on this page was computed from “4657b7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.