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Colour

#006587

  • #006587
  • Cyan
  • Dark
  • Nearest: Steel blue

#006587 is a cyan with RGB values 0, 101, 135 and HSL 195°, 100%, 26%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#006587#006587
HEX#006587
RGBrgb(0, 101, 135)
RGB (0–1)0, 0.3961, 0.5294
RGB percentages0%, 39.6%, 52.9%
HSLhsl(195.1, 100%, 26.5%)
HSV / HSBhsv(195.1, 100%, 52.9%)
CMYK100%, 25.2%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,991
CSS custom property--colour: #006587;

Brightness & contrast

Relative luminance0.11057WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.54:1
Contrast with white6.54:1WCAG normal text: AA
Contrast with black3.21:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#FF9A78

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#536489no red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#435986no green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#006E71no blue cones; rare, and affects men and women equally; ΔE 21.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.54:1WCAG large text: AAA
Contrast with black, large text3.21:1WCAG large text: AA

Named colours

Steel blue · ΔE 16.3Slate grey · ΔE 22.3Dark slate grey · ΔE 23.6Light slate grey · ΔE 23.9Teal · ΔE 25.7Dark cyan · ΔE 28.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.29, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#872200
Analogous#008765, #002287
Triadic#870065, #658700
Split complementary#870022, #876500
Tetradic#650087, #872200, #228700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#54D4FF
Lighter +30%#21C7FF
Lighter +20%#00B1ED
Lighter +10%#008BBA
Darker −10%#003F54
Darker −20%#001921
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006587
Less saturated −25%#115D76

Channel breakdown

R0
G101
B135
Red0 (0%)
Green101 (39.6%)
Blue135 (52.9%)
Hue195.11°
Saturation (HSL)100%
Lightness26.47%
Dominant channelBlue
Hex per channelR 00 · G 65 · B 87

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Every value on this page was computed from “hex 006587” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.