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Recognised as Colour

#2291AF

  • #2291AF
  • Cyan
  • Dark
  • Nearest: Steel blue

#2291AF is a cyan with RGB values 34, 145, 175 and HSL 193°, 67%, 41%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2291AF#2291AF
HEX#2291AF
RGBrgb(34, 145, 175)
RGB (0–1)0.1333, 0.5686, 0.6863
RGB percentages13.3%, 56.9%, 68.6%
HSLhsl(192.8, 67.5%, 41%)
HSV / HSBhsv(192.8, 80.6%, 68.6%)
CMYK80.6%, 17.1%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,265,519
CSS custom property--colour: #2291AF;

Brightness & contrast

Relative luminance0.23686WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.74:1
Contrast with white3.66:1WCAG normal text: Fail
Contrast with black5.74:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#DD6E50

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7F8DB1no red cones; affects about 1% of men; ΔE 23.3 from the original
Deuteranopia#6D80AFno green cones; the most common form, about 1% of men; ΔE 24.8 from the original
Tritanopia#009B9Bno blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.66:1WCAG large text: AA
Contrast with black, large text5.74:1WCAG large text: AAA

Named colours

Steel blue · ΔE 17.6Cadetblue · ΔE 17.7Dark cyan · ΔE 19.2Teal · ΔE 19.8Light slate grey · ΔE 21.7Slate grey · ΔE 22.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.63, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF4022
Analogous#22AF87, #224AAF
Triadic#AF2291, #91AF22
Split complementary#AF224A, #AF8722
Tetradic#8722AF, #AF4022, #4AAF22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEE1EF
Lighter +30%#83D2E7
Lighter +20%#58C2DF
Lighter +10%#2EB2D6
Darker −10%#1A6E84
Darker −20%#114A5A
Darker −30%#09272F
Darker −40%#010304
More saturated +25%#08A0C9
Less saturated −25%#3C8295

Channel breakdown

R34
G145
B175
Red34 (13.3%)
Green145 (56.9%)
Blue175 (68.6%)
Hue192.77°
Saturation (HSL)67.46%
Lightness40.98%
Dominant channelBlue
Hex per channelR 22 · G 91 · B AF

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Every value on this page was computed from “2291af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.