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Recognised as Colour

#228CA0

  • #228CA0
  • Cyan
  • Dark
  • Nearest: Dark cyan

#228CA0 is a cyan with RGB values 34, 140, 160 and HSL 190°, 65%, 38%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#228CA0#228CA0
HEX#228CA0
RGBrgb(34, 140, 160)
RGB (0–1)0.1333, 0.549, 0.6275
RGB percentages13.3%, 54.9%, 62.7%
HSLhsl(189.5, 64.9%, 38%)
HSV / HSBhsv(189.5, 78.8%, 62.7%)
CMYK78.8%, 12.5%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,264,224
CSS custom property--colour: #228CA0;

Brightness & contrast

Relative luminance0.21634WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.33:1
Contrast with white3.94:1WCAG normal text: Fail
Contrast with black5.33:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#DD735F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7D87A1no red cones; affects about 1% of men; ΔE 24.6 from the original
Deuteranopia#6D7BA0no green cones; the most common form, about 1% of men; ΔE 26 from the original
Tritanopia#009492no blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.94:1WCAG large text: AA
Contrast with black, large text5.33:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 13.3Teal · ΔE 13.7Cadetblue · ΔE 13.9Light slate grey · ΔE 21.3Slate grey · ΔE 21.5Steel blue · ΔE 22.2
Nearest named CSS colourDark cyan (#008B8B)ΔE 13.31, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A03622
Analogous#22A075, #224DA0
Triadic#A0228C, #8CA022
Split complementary#A0224D, #A07522
Tetradic#7522A0, #A03622, #4DA022

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3E0EB
Lighter +30%#79D2E2
Lighter +20%#4FC3D9
Lighter +10%#2BB1CA
Darker −10%#196776
Darker −20%#10424C
Darker −30%#071E22
Darker −40%#000000
More saturated +25%#0A9DB8
Less saturated −25%#3A7B88

Channel breakdown

R34
G140
B160
Red34 (13.3%)
Green140 (54.9%)
Blue160 (62.7%)
Hue189.52°
Saturation (HSL)64.95%
Lightness38.04%
Dominant channelBlue
Hex per channelR 22 · G 8C · B A0

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Every value on this page was computed from “228ca0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.