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Recognised as Colour

#287D7D

  • #287D7D
  • Cyan
  • Dark
  • Nearest: Teal

#287D7D is a cyan with RGB values 40, 125, 125 and HSL 180°, 52%, 32%. 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

#287D7D#287D7D
HEX#287D7D
RGBrgb(40, 125, 125)
RGB (0–1)0.1569, 0.4902, 0.4902
RGB percentages15.7%, 49%, 49%
HSLhsl(180, 51.5%, 32.4%)
HSV / HSBhsv(180, 68%, 49%)
CMYK68%, 0%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,653,565
CSS custom property--colour: #287D7D;

Brightness & contrast

Relative luminance0.16599WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.86:1
Contrast with white4.86:1WCAG normal text: AA
Contrast with black4.32:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#D78282

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#75777Dno red cones; affects about 1% of men; ΔE 25.5 from the original
Deuteranopia#686D7Eno green cones; the most common form, about 1% of men; ΔE 26.7 from the original
Tritanopia#00817Dno blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.86:1WCAG large text: AAA
Contrast with black, large text4.32:1WCAG large text: AA

Named colours

Teal · ΔE 4.4Dark cyan · ΔE 7.7Cadetblue · ΔE 14.3Dark slate grey · ΔE 21.2Light seagreen · ΔE 22.2Slate grey · ΔE 23.2
Nearest named CSS colourTeal (#008080)ΔE 4.42, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D2828
Analogous#287D52, #28527D
Triadic#7D287D, #7D7D28
Split complementary#7D2852, #7D5228
Tetradic#52287D, #7D2828, #527D28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94DDDD
Lighter +30%#6ED0D0
Lighter +20%#47C4C4
Lighter +10%#34A4A4
Darker −10%#1C5656
Darker −20%#0F3030
Darker −30%#030909
Darker −40%#000000
More saturated +25%#139292
Less saturated −25%#3D6868

Channel breakdown

R40
G125
B125
Red40 (15.7%)
Green125 (49%)
Blue125 (49%)
Hue180°
Saturation (HSL)51.52%
Lightness32.35%
Dominant channelGreen and Blue
Hex per channelR 28 · G 7D · B 7D

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Every value on this page was computed from “287d7d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.