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Recognised as Colour

#28737E

  • #28737E
  • Cyan
  • Dark
  • Nearest: Teal

#28737E is a cyan with RGB values 40, 115, 126 and HSL 188°, 52%, 33%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#28737E#28737E
HEX#28737E
RGBrgb(40, 115, 126)
RGB (0–1)0.1569, 0.451, 0.4941
RGB percentages15.7%, 45.1%, 49.4%
HSLhsl(187.7, 51.8%, 32.5%)
HSV / HSBhsv(187.7, 68.3%, 49.4%)
CMYK68.3%, 8.7%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,651,006
CSS custom property--colour: #28737E;

Brightness & contrast

Relative luminance0.14219WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.46:1
Contrast with white5.46:1WCAG normal text: AA
Contrast with black3.84:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#D78C81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#696F7Fno red cones; affects about 1% of men; ΔE 20.7 from the original
Deuteranopia#5C657Eno green cones; the most common form, about 1% of men; ΔE 21.8 from the original
Tritanopia#007876no blue cones; rare, and affects men and women equally; ΔE 10.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.46:1WCAG large text: AAA
Contrast with black, large text3.84:1WCAG large text: AA

Named colours

Teal · ΔE 11.4Dark cyan · ΔE 14.4Cadetblue · ΔE 17.5Dark slate grey · ΔE 17.7Slate grey · ΔE 18.9Light slate grey · ΔE 20.3
Nearest named CSS colourTeal (#008080)ΔE 11.37, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E3328
Analogous#287E5E, #28487E
Triadic#7E2873, #737E28
Split complementary#7E2848, #7E5E28
Tetradic#5E287E, #7E3328, #487E28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#95D4DD
Lighter +30%#6EC4D1
Lighter +20%#47B5C5
Lighter +10%#3496A5
Darker −10%#1C5057
Darker −20%#0F2C31
Darker −30%#03090A
Darker −40%#000000
More saturated +25%#138293
Less saturated −25%#3D6469

Channel breakdown

R40
G115
B126
Red40 (15.7%)
Green115 (45.1%)
Blue126 (49.4%)
Hue187.67°
Saturation (HSL)51.81%
Lightness32.55%
Dominant channelBlue
Hex per channelR 28 · G 73 · B 7E

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Every value on this page was computed from “28737e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.