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Recognised as Colour

#368FB4

  • #368FB4
  • Cyan
  • Dark
  • Nearest: Steel blue

#368FB4 is a cyan with RGB values 54, 143, 180 and HSL 198°, 54%, 46%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#368FB4#368FB4
HEX#368FB4
RGBrgb(54, 143, 180)
RGB (0–1)0.2118, 0.5608, 0.7059
RGB percentages21.2%, 56.1%, 70.6%
HSLhsl(197.6, 53.8%, 45.9%)
HSV / HSBhsv(197.6, 70%, 70.6%)
CMYK70%, 20.6%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,575,732
CSS custom property--colour: #368FB4;

Brightness & contrast

Relative luminance0.23724WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.74:1
Contrast with white3.66:1WCAG normal text: Fail
Contrast with black5.74:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#C9704B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7C8DB6no red cones; affects about 1% of men; ΔE 18.5 from the original
Deuteranopia#6B80B3no green cones; the most common form, about 1% of men; ΔE 20.1 from the original
Tritanopia#00999Bno blue cones; rare, and affects men and women equally; ΔE 24.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.66:1WCAG large text: AA
Contrast with black, large text5.74:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.9Light slate grey · ΔE 19.9Slate grey · ΔE 20.6Cadetblue · ΔE 21.1Deep skyblue · ΔE 23.1Sky blue · ΔE 24.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.86, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B45B36
Analogous#36B49A, #3650B4
Triadic#B4368F, #8FB436
Split complementary#B43650, #B49A36
Tetradic#9A36B4, #B45B36, #50B436

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8E3EE
Lighter +30%#A0CFE3
Lighter +20%#79BBD7
Lighter +10%#52A8CB
Darker −10%#2A708D
Darker −20%#1E5166
Darker −30%#13323E
Darker −40%#071217
More saturated +25%#199BD1
Less saturated −25%#538397

Channel breakdown

R54
G143
B180
Red54 (21.2%)
Green143 (56.1%)
Blue180 (70.6%)
Hue197.62°
Saturation (HSL)53.85%
Lightness45.88%
Dominant channelBlue
Hex per channelR 36 · G 8F · B B4

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Every value on this page was computed from “368fb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.