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Colour

#23A4FF

  • #23A4FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#23A4FF is a blue with RGB values 35, 164, 255 and HSL 205°, 100%, 57%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#23A4FF#23A4FF
HEX#23A4FF
RGBrgb(35, 164, 255)
RGB (0–1)0.1373, 0.6431, 1
RGB percentages13.7%, 64.3%, 100%
HSLhsl(204.8, 100%, 56.9%)
HSV / HSBhsv(204.8, 86.3%, 100%)
CMYK86.3%, 35.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,335,999
CSS custom property--colour: #23A4FF;

Brightness & contrast

Relative luminance0.34128WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.83:1
Contrast with white2.68:1WCAG normal text: Fail
Contrast with black7.83:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#DC5B00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#78A8FFno red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#5895FDno green cones; the most common form, about 1% of men; ΔE 14.7 from the original
Tritanopia#00BAC5no blue cones; rare, and affects men and women equally; ΔE 50.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.68:1WCAG large text: Fail
Contrast with black, large text7.83:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.4Dodgerblue · ΔE 15.7Deep skyblue · ΔE 21.3Steel blue · ΔE 25.6Light skyblue · ΔE 31.1Royal blue · ΔE 34.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF7E23
Analogous#23FFEC, #2336FF
Triadic#FF23A4, #A4FF23
Split complementary#FF2336, #FFEC23
Tetradic#EC23FF, #FF7E23, #36FF23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF8FF
Lighter +30%#BCE3FF
Lighter +20%#89CEFF
Lighter +10%#56B9FF
Darker −10%#008CEF
Darker −20%#006EBC
Darker −30%#005089
Darker −40%#003256
More saturated +25%#23A4FF
Less saturated −25%#3E9FE3

Channel breakdown

R35
G164
B255
Red35 (13.7%)
Green164 (64.3%)
Blue255 (100%)
Hue204.82°
Saturation (HSL)100%
Lightness56.86%
Dominant channelBlue
Hex per channelR 23 · G A4 · B FF

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Every value on this page was computed from “23a4ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.