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Colour

#0477B7

  • #0477B7
  • Blue
  • Dark
  • Nearest: Steel blue

#0477B7 is a blue with RGB values 4, 119, 183 and HSL 201°, 96%, 37%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0477B7#0477B7
HEX#0477B7
RGBrgb(4, 119, 183)
RGB (0–1)0.0157, 0.4667, 0.7176
RGB percentages1.6%, 46.7%, 71.8%
HSLhsl(201.5, 95.7%, 36.7%)
HSV / HSBhsv(201.5, 97.8%, 71.8%)
CMYK97.8%, 35%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer292,791
CSS custom property--colour: #0477B7;

Brightness & contrast

Relative luminance0.16638WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.85:1
Contrast with white4.85:1WCAG normal text: AA
Contrast with black4.33:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#FB8848

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5879BAno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#406BB6no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#00878Eno blue cones; rare, and affects men and women equally; ΔE 37.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.85:1WCAG large text: AAA
Contrast with black, large text4.33:1WCAG large text: AA

Named colours

Steel blue · ΔE 10.3Cornflower blue · ΔE 20.8Dodgerblue · ΔE 28.4Deep skyblue · ΔE 28.5Slate grey · ΔE 31.2Light slate grey · ΔE 31.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B74404
Analogous#04B79D, #041EB7
Triadic#B70477, #77B704
Split complementary#B7041E, #B79D04
Tetradic#9D04B7, #B74404, #1EB704

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BD4FC
Lighter +30%#59C1FB
Lighter +20%#27AFFA
Lighter +10%#0597E9
Darker −10%#035785
Darker −20%#023653
Darker −30%#011621
Darker −40%#000000
More saturated +25%#0078BB
Less saturated −25%#1B70A0

Channel breakdown

R4
G119
B183
Red4 (1.6%)
Green119 (46.7%)
Blue183 (71.8%)
Hue201.45°
Saturation (HSL)95.72%
Lightness36.67%
Dominant channelBlue
Hex per channelR 04 · G 77 · B B7

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Every value on this page was computed from “0477b7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.