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Colour

#287D82

  • #287D82
  • Cyan
  • Dark
  • Nearest: Teal

#287D82 is a cyan with RGB values 40, 125, 130 and HSL 183°, 53%, 33%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#287D82#287D82
HEX#287D82
RGBrgb(40, 125, 130)
RGB (0–1)0.1569, 0.4902, 0.5098
RGB percentages15.7%, 49%, 51%
HSLhsl(183.3, 52.9%, 33.3%)
HSV / HSBhsv(183.3, 69.2%, 51%)
CMYK69.2%, 3.8%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,653,570
CSS custom property--colour: #287D82;

Brightness & contrast

Relative luminance0.1673WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.83:1
Contrast with white4.83:1WCAG normal text: AA
Contrast with black4.35:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#D7827D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#747782no red cones; affects about 1% of men; ΔE 24.6 from the original
Deuteranopia#666E82no green cones; the most common form, about 1% of men; ΔE 24.8 from the original
Tritanopia#00827Eno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.83:1WCAG large text: AAA
Contrast with black, large text4.35:1WCAG large text: AA

Named colours

Teal · ΔE 6Dark cyan · ΔE 8.8Cadetblue · ΔE 13.9Dark slate grey · ΔE 21.1Slate grey · ΔE 21.5Light slate grey · ΔE 22.3
Nearest named CSS colourTeal (#008080)ΔE 6.05, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#822D28
Analogous#28825A, #285082
Triadic#82287D, #7D8228
Split complementary#822850, #825A28
Tetradic#5A2882, #822D28, #508228

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#97DBDF
Lighter +30%#70CED3
Lighter +20%#49C0C7
Lighter +10%#34A3A9
Darker −10%#1C585B
Darker −20%#103234
Darker −30%#040C0D
Darker −40%#000000
More saturated +25%#139097
Less saturated −25%#3D6A6D

Channel breakdown

R40
G125
B130
Red40 (15.7%)
Green125 (49%)
Blue130 (51%)
Hue183.33°
Saturation (HSL)52.94%
Lightness33.33%
Dominant channelBlue
Hex per channelR 28 · G 7D · B 82

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Every value on this page was computed from “287d82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.