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Recognised as Colour

#005B87

  • #005B87
  • Cyan
  • Dark
  • Nearest: Steel blue

#005B87 is a cyan with RGB values 0, 91, 135 and HSL 200°, 100%, 26%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#005B87#005B87
HEX#005B87
RGBrgb(0, 91, 135)
RGB (0–1)0, 0.3569, 0.5294
RGB percentages0%, 35.7%, 52.9%
HSLhsl(199.6, 100%, 26.5%)
HSV / HSBhsv(199.6, 100%, 52.9%)
CMYK100%, 32.6%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer23,431
CSS custom property--colour: #005B87;

Brightness & contrast

Relative luminance0.09231WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.38:1
Contrast with white7.38:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#FFA478

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#465C89no red cones; affects about 1% of men; ΔE 11.5 from the original
Deuteranopia#345186no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#00666Bno blue cones; rare, and affects men and women equally; ΔE 27 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.38:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.2Slate grey · ΔE 26.4Light slate grey · ΔE 28Dark slate grey · ΔE 28.3Dim grey · ΔE 32.4Teal · ΔE 34.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.19, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#872C00
Analogous#00876F, #001887
Triadic#87005B, #5B8700
Split complementary#870017, #876F00
Tetradic#700087, #872C00, #188700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#54C7FF
Lighter +30%#21B7FF
Lighter +20%#00A0ED
Lighter +10%#007DBA
Darker −10%#003954
Darker −20%#001621
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005B87
Less saturated −25%#115576

Channel breakdown

R0
G91
B135
Red0 (0%)
Green91 (35.7%)
Blue135 (52.9%)
Hue199.56°
Saturation (HSL)100%
Lightness26.47%
Dominant channelBlue
Hex per channelR 00 · G 5B · B 87

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Every value on this page was computed from “005b87” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.