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Recognised as Colour

#23BFDD

  • #23BFDD
  • Cyan
  • Dark
  • Nearest: Sky blue

#23BFDD is a cyan with RGB values 35, 191, 221 and HSL 190°, 73%, 50%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#23BFDD#23BFDD
HEX#23BFDD
RGBrgb(35, 191, 221)
RGB (0–1)0.1373, 0.749, 0.8667
RGB percentages13.7%, 74.9%, 86.7%
HSLhsl(189.7, 73.2%, 50.2%)
HSV / HSBhsv(189.7, 84.2%, 86.7%)
CMYK84.2%, 13.6%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,342,877
CSS custom property--colour: #23BFDD;

Brightness & contrast

Relative luminance0.42839WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.57:1
Contrast with white2.19:1WCAG normal text: Fail
Contrast with black9.57:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#DC4022

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AAB9DFno red cones; affects about 1% of men; ΔE 31.4 from the original
Deuteranopia#93A8DDno green cones; the most common form, about 1% of men; ΔE 33.2 from the original
Tritanopia#00CAC8no 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 text2.19:1WCAG large text: Fail
Contrast with black, large text9.57:1WCAG large text: AAA

Named colours

Sky blue · ΔE 15.7Dark turquoise · ΔE 17.8Light skyblue · ΔE 19Deep skyblue · ΔE 19.5Medium turquoise · ΔE 20.7Light seagreen · ΔE 22.5
Nearest named CSS colourSky blue (#87CEEB)ΔE 15.73, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD4123
Analogous#23DD9E, #2362DD
Triadic#DD23BF, #BFDD23
Split complementary#DD2362, #DD9E23
Tetradic#9E23DD, #DD4123, #62DD23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4F2F8
Lighter +30%#A8E6F1
Lighter +20%#7BD9EB
Lighter +10%#4FCCE4
Darker −10%#1B99B2
Darker −20%#157385
Darker −30%#0E4D59
Darker −40%#07272D
More saturated +25%#03D5FD
Less saturated −25%#43A9BD

Channel breakdown

R35
G191
B221
Red35 (13.7%)
Green191 (74.9%)
Blue221 (86.7%)
Hue189.68°
Saturation (HSL)73.23%
Lightness50.2%
Dominant channelBlue
Hex per channelR 23 · G BF · B DD

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Every value on this page was computed from “23bfdd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.