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Recognised as Colour

#23A3EA

  • #23A3EA
  • Blue
  • Dark
  • Nearest: Deep skyblue

#23A3EA is a blue with RGB values 35, 163, 234 and HSL 201°, 83%, 53%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#23A3EA#23A3EA
HEX#23A3EA
RGBrgb(35, 163, 234)
RGB (0–1)0.1373, 0.6392, 0.9176
RGB percentages13.7%, 63.9%, 91.8%
HSLhsl(201.4, 82.6%, 52.7%)
HSV / HSBhsv(201.4, 85%, 91.8%)
CMYK85%, 30.3%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,335,722
CSS custom property--colour: #23A3EA;

Brightness & contrast

Relative luminance0.32492WCAG 2.x, 0 is black and 1 is white
Perceived brightness149 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.5:1
Contrast with white2.8:1WCAG normal text: Fail
Contrast with black7.5:1WCAG normal text: AAA
Greyscale equivalent#8D8D8D
Inverted#DC5C15

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#81A4EDno red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#6693E9no green cones; the most common form, about 1% of men; ΔE 18.6 from the original
Tritanopia#00B5BCno blue cones; rare, and affects men and women equally; ΔE 40.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.8:1WCAG large text: Fail
Contrast with black, large text7.5:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.9Steel blue · ΔE 17.6Cornflower blue · ΔE 18.5Light skyblue · ΔE 23Dodgerblue · ΔE 26.5Sky blue · ΔE 28.9
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EA6A23
Analogous#23EACD, #2340EA
Triadic#EA23A3, #A3EA23
Split complementary#EA2340, #EACE23
Tetradic#CD23EA, #EA6A23, #3FEA23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDF1FC
Lighter +30%#AFDDF7
Lighter +20%#80CAF3
Lighter +10%#52B6EE
Darker −10%#1387C7
Darker −20%#0F6798
Darker −30%#0A486A
Darker −40%#06283B
More saturated +25%#0EA9FF
Less saturated −25%#419ACC

Channel breakdown

R35
G163
B234
Red35 (13.7%)
Green163 (63.9%)
Blue234 (91.8%)
Hue201.41°
Saturation (HSL)82.57%
Lightness52.75%
Dominant channelBlue
Hex per channelR 23 · G A3 · B EA

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Every value on this page was computed from “23a3ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.