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Recognised as Colour

#03A8FF

  • #03A8FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#03A8FF is a blue with RGB values 3, 168, 255 and HSL 201°, 100%, 51%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#03A8FF#03A8FF
HEX#03A8FF
RGBrgb(3, 168, 255)
RGB (0–1)0.0118, 0.6588, 1
RGB percentages1.2%, 65.9%, 100%
HSLhsl(200.7, 100%, 50.6%)
HSV / HSBhsv(200.7, 98.8%, 100%)
CMYK98.8%, 34.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer239,871
CSS custom property--colour: #03A8FF;

Brightness & contrast

Relative luminance0.35245WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.05:1
Contrast with white2.61:1WCAG normal text: Fail
Contrast with black8.05:1WCAG normal text: AAA
Greyscale equivalent#8B8B8B
Inverted#FC5700

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7EABFFno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#5D97FDno green cones; the most common form, about 1% of men; ΔE 17.8 from the original
Tritanopia#00BEC8no blue cones; rare, and affects men and women equally; ΔE 47.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.61:1WCAG large text: Fail
Contrast with black, large text8.05:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 15.4Deep skyblue · ΔE 17.6Dodgerblue · ΔE 19.4Steel blue · ΔE 24.8Light skyblue · ΔE 28.7Sky blue · ΔE 35.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF5A03
Analogous#03FFD8, #032AFF
Triadic#FF03A8, #A8FF03
Split complementary#FF032A, #FFD803
Tetradic#D803FF, #FF5A03, #2AFF03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFEEFF
Lighter +30%#9CDDFF
Lighter +20%#69CBFF
Lighter +10%#36BAFF
Darker −10%#0088CF
Darker −20%#00669C
Darker −30%#004569
Darker −40%#002336
More saturated +25%#03A8FF
Less saturated −25%#229EE0

Channel breakdown

R3
G168
B255
Red3 (1.2%)
Green168 (65.9%)
Blue255 (100%)
Hue200.71°
Saturation (HSL)100%
Lightness50.59%
Dominant channelBlue
Hex per channelR 03 · G A8 · B FF

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Every value on this page was computed from “03a8ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.