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Recognised as Colour

#2788AF

  • #2788AF
  • Cyan
  • Dark
  • Nearest: Steel blue

#2788AF is a cyan with RGB values 39, 136, 175 and HSL 197°, 64%, 42%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2788AF#2788AF
HEX#2788AF
RGBrgb(39, 136, 175)
RGB (0–1)0.1529, 0.5333, 0.6863
RGB percentages15.3%, 53.3%, 68.6%
HSLhsl(197.2, 63.6%, 42%)
HSV / HSBhsv(197.2, 77.7%, 68.6%)
CMYK77.7%, 22.3%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,590,895
CSS custom property--colour: #2788AF;

Brightness & contrast

Relative luminance0.21135WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.23:1
Contrast with white4.02:1WCAG normal text: Fail
Contrast with black5.23:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#D87750

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7486B1no red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#6279AEno green cones; the most common form, about 1% of men; ΔE 20.2 from the original
Tritanopia#009395no blue cones; rare, and affects men and women equally; ΔE 25 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.02:1WCAG large text: AA
Contrast with black, large text5.23:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.7Light slate grey · ΔE 21.1Slate grey · ΔE 21.5Cadetblue · ΔE 23.2Deep skyblue · ΔE 24.3Teal · ΔE 25.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.68, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF4E27
Analogous#27AF92, #2744AF
Triadic#AF2788, #88AF27
Split complementary#AF2744, #AF9227
Tetradic#9227AF, #AF4E27, #44AF27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B4DDEE
Lighter +30%#8ACBE5
Lighter +20%#60B8DC
Lighter +10%#37A6D2
Darker −10%#1E6885
Darker −20%#14475C
Darker −30%#0B2732
Darker −40%#020608
More saturated +25%#0C93CA
Less saturated −25%#427D94

Channel breakdown

R39
G136
B175
Red39 (15.3%)
Green136 (53.3%)
Blue175 (68.6%)
Hue197.21°
Saturation (HSL)63.55%
Lightness41.96%
Dominant channelBlue
Hex per channelR 27 · G 88 · B AF

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Every value on this page was computed from “2788af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.