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Recognised as Colour

#23A3F8

  • #23A3F8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#23A3F8 is a blue with RGB values 35, 163, 248 and HSL 204°, 94%, 55%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#23A3F8#23A3F8
HEX#23A3F8
RGBrgb(35, 163, 248)
RGB (0–1)0.1373, 0.6392, 0.9725
RGB percentages13.7%, 63.9%, 97.3%
HSLhsl(203.9, 93.8%, 55.5%)
HSV / HSBhsv(203.9, 85.9%, 97.3%)
CMYK85.9%, 34.3%, 0%, 2.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,335,736
CSS custom property--colour: #23A3F8;

Brightness & contrast

Relative luminance0.33329WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.67:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.67:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#DC5C07

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7AA6FCno red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#5C94F6no green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#00B8C2no blue cones; rare, and affects men and women equally; ΔE 47.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.67:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.3Deep skyblue · ΔE 18.6Dodgerblue · ΔE 18.6Steel blue · ΔE 22.7Light skyblue · ΔE 28.6Sky blue · ΔE 35.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F87823
Analogous#23F8E3, #2338F8
Triadic#F823A3, #A3F823
Split complementary#F82338, #F8E323
Tetradic#E323F8, #F87823, #38F823

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F6FE
Lighter +30%#B7E1FD
Lighter +20%#86CCFB
Lighter +10%#54B8FA
Darker −10%#078AE1
Darker −20%#066CAF
Darker −30%#044D7E
Darker −40%#022F4D
More saturated +25%#1CA4FF
Less saturated −25%#3F9DDC

Channel breakdown

R35
G163
B248
Red35 (13.7%)
Green163 (63.9%)
Blue248 (97.3%)
Hue203.94°
Saturation (HSL)93.83%
Lightness55.49%
Dominant channelBlue
Hex per channelR 23 · G A3 · B F8

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Every value on this page was computed from “23a3f8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.