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Recognised as Colour

#289CA0

  • #289CA0
  • Cyan
  • Dark
  • Nearest: Dark cyan

#289CA0 is a cyan with RGB values 40, 156, 160 and HSL 182°, 60%, 39%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#289CA0#289CA0
HEX#289CA0
RGBrgb(40, 156, 160)
RGB (0–1)0.1569, 0.6118, 0.6275
RGB percentages15.7%, 61.2%, 62.7%
HSLhsl(182, 60%, 39.2%)
HSV / HSBhsv(182, 75%, 62.7%)
CMYK75%, 2.5%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,661,536
CSS custom property--colour: #289CA0;

Brightness & contrast

Relative luminance0.26766WCAG 2.x, 0 is black and 1 is white
Perceived brightness133 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.35:1
Contrast with white3.31:1WCAG normal text: Fail
Contrast with black6.35:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#D7635F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9195A0no red cones; affects about 1% of men; ΔE 30.7 from the original
Deuteranopia#7F88A1no green cones; the most common form, about 1% of men; ΔE 31.8 from the original
Tritanopia#00A29Dno blue cones; rare, and affects men and women equally; ΔE 7.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.31:1WCAG large text: AA
Contrast with black, large text6.35:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 7Cadetblue · ΔE 10.6Teal · ΔE 10.9Light seagreen · ΔE 11.8Dark turquoise · ΔE 19.8Medium turquoise · ΔE 20
Nearest named CSS colourDark cyan (#008B8B)ΔE 7.03, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A02C28
Analogous#28A068, #2860A0
Triadic#A0289C, #9CA028
Split complementary#A02860, #A06828
Tetradic#6828A0, #A02C28, #60A028

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAE8EA
Lighter +30%#81DCE0
Lighter +20%#59D1D5
Lighter +10%#32C4C9
Darker −10%#1E7477
Darker −20%#144C4E
Darker −30%#092526
Darker −40%#000000
More saturated +25%#0FB3B9
Less saturated −25%#418587

Channel breakdown

R40
G156
B160
Red40 (15.7%)
Green156 (61.2%)
Blue160 (62.7%)
Hue182°
Saturation (HSL)60%
Lightness39.22%
Dominant channelBlue
Hex per channelR 28 · G 9C · B A0

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Every value on this page was computed from “289ca0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.