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Recognised as Colour

#28C5D2

  • #28C5D2
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#28C5D2 is a cyan with RGB values 40, 197, 210 and HSL 185°, 68%, 49%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#28C5D2#28C5D2
HEX#28C5D2
RGBrgb(40, 197, 210)
RGB (0–1)0.1569, 0.7725, 0.8235
RGB percentages15.7%, 77.3%, 82.4%
HSLhsl(184.6, 68%, 49%)
HSV / HSBhsv(184.6, 81%, 82.4%)
CMYK81%, 6.2%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,672,082
CSS custom property--colour: #28C5D2;

Brightness & contrast

Relative luminance0.45037WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.01:1
Contrast with white2.1:1WCAG normal text: Fail
Contrast with black10.01:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#D73A2D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B4BCD3no red cones; affects about 1% of men; ΔE 36.1 from the original
Deuteranopia#9EACD3no green cones; the most common form, about 1% of men; ΔE 37.7 from the original
Tritanopia#00CDC9no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.1:1WCAG large text: Fail
Contrast with black, large text10.01:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 7.9Medium turquoise · ΔE 10.7Light seagreen · ΔE 13.9Turquoise · ΔE 19Sky blue · ΔE 20.2Cadetblue · ΔE 21
Nearest named CSS colourDark turquoise (#00CED1)ΔE 7.9, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D23528
Analogous#28D28A, #2870D2
Triadic#D228C5, #C5D228
Split complementary#D22870, #D28A28
Tetradic#8A28D2, #D23528, #70D228

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0F3F6
Lighter +30%#A5E8EE
Lighter +20%#7ADEE6
Lighter +10%#4FD3DE
Darker −10%#209DA7
Darker −20%#18757C
Darker −30%#104C51
Darker −40%#072427
More saturated +25%#09DFF1
Less saturated −25%#47ABB3

Channel breakdown

R40
G197
B210
Red40 (15.7%)
Green197 (77.3%)
Blue210 (82.4%)
Hue184.59°
Saturation (HSL)68%
Lightness49.02%
Dominant channelBlue
Hex per channelR 28 · G C5 · B D2

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Every value on this page was computed from “28c5d2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.