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Colour

#23AEF4

  • #23AEF4
  • Blue
  • Dark
  • Nearest: Deep skyblue

#23AEF4 is a blue with RGB values 35, 174, 244 and HSL 200°, 90%, 55%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#23AEF4#23AEF4
HEX#23AEF4
RGBrgb(35, 174, 244)
RGB (0–1)0.1373, 0.6824, 0.9569
RGB percentages13.7%, 68.2%, 95.7%
HSLhsl(200.1, 90.5%, 54.7%)
HSV / HSBhsv(200.1, 85.7%, 95.7%)
CMYK85.7%, 28.7%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,338,548
CSS custom property--colour: #23AEF4;

Brightness & contrast

Relative luminance0.37161WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.43:1
Contrast with white2.49:1WCAG normal text: Fail
Contrast with black8.43:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#DC510B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8CAEF7no red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#719CF3no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#00C0C6no blue cones; rare, and affects men and women equally; ΔE 40 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.49:1WCAG large text: Fail
Contrast with black, large text8.43:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 8.6Light skyblue · ΔE 20.3Steel blue · ΔE 20.7Cornflower blue · ΔE 21.6Sky blue · ΔE 26.4Dodgerblue · ΔE 29.3
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 8.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F46923
Analogous#23F4D2, #2345F4
Triadic#F423AE, #AEF423
Split complementary#F42346, #F4D223
Tetradic#D123F4, #F46923, #46F423

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5F6FE
Lighter +30%#B5E4FB
Lighter +20%#84D2F9
Lighter +10%#54C0F6
Darker −10%#0B94D9
Darker −20%#0873A9
Darker −30%#065278
Darker −40%#043147
More saturated +25%#18B2FF
Less saturated −25%#40A4D7

Channel breakdown

R35
G174
B244
Red35 (13.7%)
Green174 (68.2%)
Blue244 (95.7%)
Hue200.1°
Saturation (HSL)90.48%
Lightness54.71%
Dominant channelBlue
Hex per channelR 23 · G AE · B F4

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Every value on this page was computed from “23aef4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.