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Recognised as Colour

#015688

  • #015688
  • Blue
  • Dark
  • Nearest: Steel blue

#015688 is a blue with RGB values 1, 86, 136 and HSL 202°, 99%, 27%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#015688#015688
HEX#015688
RGBrgb(1, 86, 136)
RGB (0–1)0.0039, 0.3373, 0.5333
RGB percentages0.4%, 33.7%, 53.3%
HSLhsl(202.2, 98.5%, 26.9%)
HSV / HSBhsv(202.2, 99.3%, 53.3%)
CMYK99.3%, 36.8%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer87,688
CSS custom property--colour: #015688;

Brightness & contrast

Relative luminance0.0844WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.81:1
Contrast with white7.81:1WCAG normal text: AAA
Contrast with black2.69:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#FEA977

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E588Ano red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#2B4D87no green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#006268no blue cones; rare, and affects men and women equally; ΔE 30.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.81:1WCAG large text: AAA
Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Steel blue · ΔE 17.8Slate grey · ΔE 29.5Dark slateblue · ΔE 29.7Light slate grey · ΔE 31Dark slate grey · ΔE 31.9Cornflower blue · ΔE 33.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#883301
Analogous#018876, #011388
Triadic#880156, #568801
Split complementary#880113, #887701
Tetradic#760188, #883301, #128801

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#57C0FE
Lighter +30%#25ADFD
Lighter +20%#0296ED
Lighter +10%#0176BB
Darker −10%#013655
Darker −20%#001623
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005689
Less saturated −25%#125277

Channel breakdown

R1
G86
B136
Red1 (0.4%)
Green86 (33.7%)
Blue136 (53.3%)
Hue202.22°
Saturation (HSL)98.54%
Lightness26.86%
Dominant channelBlue
Hex per channelR 01 · G 56 · B 88

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Every value on this page was computed from “hex 015688” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.