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Recognised as Colour

#028B8C

  • #028B8C
  • Cyan
  • Dark
  • Nearest: Dark cyan

#028B8C is a cyan with RGB values 2, 139, 140 and HSL 180°, 97%, 28%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#028B8C#028B8C
HEX#028B8C
RGBrgb(2, 139, 140)
RGB (0–1)0.0078, 0.5451, 0.549
RGB percentages0.8%, 54.5%, 54.9%
HSLhsl(180.4, 97.2%, 27.8%)
HSV / HSBhsv(180.4, 98.6%, 54.9%)
CMYK98.6%, 0.7%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer166,796
CSS custom property--colour: #028B8C;

Brightness & contrast

Relative luminance0.20372WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.07:1
Contrast with white4.14:1WCAG normal text: Fail
Contrast with black5.07:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#FD7473

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#81848Cno red cones; affects about 1% of men; ΔE 31.3 from the original
Deuteranopia#70788Dno green cones; the most common form, about 1% of men; ΔE 32.2 from the original
Tritanopia#00908Bno blue cones; rare, and affects men and women equally; ΔE 4.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.14:1WCAG large text: AA
Contrast with black, large text5.07:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 0.7Teal · ΔE 4.3Cadetblue · ΔE 13.9Light seagreen · ΔE 15.7Dark turquoise · ΔE 25.4Medium turquoise · ΔE 25.7
Nearest named CSS colourDark cyan (#008B8B)ΔE 0.66, indistinguishable to the eye
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C0302
Analogous#028C48, #02468C
Triadic#8C028B, #8B8C02
Split complementary#8C0246, #8C4802
Tetradic#48028C, #8C0302, #468C02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5DFCFD
Lighter +30%#2BFAFC
Lighter +20%#03EFF1
Lighter +10%#03BDBE
Darker −10%#01595A
Darker −20%#012727
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008D8E
Less saturated −25%#147A7A

Channel breakdown

R2
G139
B140
Red2 (0.8%)
Green139 (54.5%)
Blue140 (54.9%)
Hue180.43°
Saturation (HSL)97.18%
Lightness27.84%
Dominant channelBlue
Hex per channelR 02 · G 8B · B 8C

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Every value on this page was computed from “028b8c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.