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Recognised as Colour

#278A95

  • #278A95
  • Cyan
  • Dark
  • Nearest: Dark cyan

#278A95 is a cyan with RGB values 39, 138, 149 and HSL 186°, 59%, 37%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#278A95#278A95
HEX#278A95
RGBrgb(39, 138, 149)
RGB (0–1)0.1529, 0.5412, 0.5843
RGB percentages15.3%, 54.1%, 58.4%
HSLhsl(186, 58.5%, 36.9%)
HSV / HSBhsv(186, 73.8%, 58.4%)
CMYK73.8%, 7.4%, 0%, 41.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,591,381
CSS custom property--colour: #278A95;

Brightness & contrast

Relative luminance0.20778WCAG 2.x, 0 is black and 1 is white
Perceived brightness119 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.16:1
Contrast with white4.07:1WCAG normal text: Fail
Contrast with black5.16:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#D8756A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E8496no red cones; affects about 1% of men; ΔE 25.9 from the original
Deuteranopia#6F7995no green cones; the most common form, about 1% of men; ΔE 26.9 from the original
Tritanopia#00908Dno blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.07:1WCAG large text: AA
Contrast with black, large text5.16:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 8.4Teal · ΔE 8.7Cadetblue · ΔE 11.5Light seagreen · ΔE 20.4Slate grey · ΔE 22Light slate grey · ΔE 22
Nearest named CSS colourDark cyan (#008B8B)ΔE 8.42, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#953227
Analogous#279569, #275395
Triadic#95278A, #8A9527
Split complementary#952753, #956927
Tetradic#692795, #953227, #539527

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1E0E7
Lighter +30%#79D2DC
Lighter +20%#51C4D1
Lighter +10%#32AFBD
Darker −10%#1C656D
Darker −20%#123F44
Darker −30%#071A1C
Darker −40%#000000
More saturated +25%#109DAD
Less saturated −25%#3F777E

Channel breakdown

R39
G138
B149
Red39 (15.3%)
Green138 (54.1%)
Blue149 (58.4%)
Hue186°
Saturation (HSL)58.51%
Lightness36.86%
Dominant channelBlue
Hex per channelR 27 · G 8A · B 95

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Every value on this page was computed from “278a95” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.