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Recognised as Colour

#287C85

  • #287C85
  • Cyan
  • Dark
  • Nearest: Teal

#287C85 is a cyan with RGB values 40, 124, 133 and HSL 186°, 54%, 34%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#287C85#287C85
HEX#287C85
RGBrgb(40, 124, 133)
RGB (0–1)0.1569, 0.4863, 0.5216
RGB percentages15.7%, 48.6%, 52.2%
HSLhsl(185.8, 53.8%, 33.9%)
HSV / HSBhsv(185.8, 69.9%, 52.2%)
CMYK69.9%, 6.8%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,653,317
CSS custom property--colour: #287C85;

Brightness & contrast

Relative luminance0.1656WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.87:1
Contrast with white4.87:1WCAG normal text: AA
Contrast with black4.31:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#D7837A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#727786no red cones; affects about 1% of men; ΔE 23.3 from the original
Deuteranopia#646D85no green cones; the most common form, about 1% of men; ΔE 24 from the original
Tritanopia#00817Fno blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.87:1WCAG large text: AAA
Contrast with black, large text4.31:1WCAG large text: AA

Named colours

Teal · ΔE 8.2Dark cyan · ΔE 10.6Cadetblue · ΔE 14.4Slate grey · ΔE 20.2Dark slate grey · ΔE 21Light slate grey · ΔE 21
Nearest named CSS colourTeal (#008080)ΔE 8.2, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#853128
Analogous#28855F, #284E85
Triadic#85287C, #7C8528
Split complementary#85284E, #856028
Tetradic#5F2885, #853128, #4E8528

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99D9E0
Lighter +30%#72CBD4
Lighter +20%#4ABCC9
Lighter +10%#34A1AC
Darker −10%#1C575E
Darker −20%#103337
Darker −30%#050E0F
Darker −40%#000000
More saturated +25%#128D9B
Less saturated −25%#3E6B6F

Channel breakdown

R40
G124
B133
Red40 (15.7%)
Green124 (48.6%)
Blue133 (52.2%)
Hue185.81°
Saturation (HSL)53.76%
Lightness33.92%
Dominant channelBlue
Hex per channelR 28 · G 7C · B 85

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Every value on this page was computed from “287c85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.