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Recognised as Colour

#09A3FA

  • #09A3FA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#09A3FA is a blue with RGB values 9, 163, 250 and HSL 202°, 96%, 51%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#09A3FA#09A3FA
HEX#09A3FA
RGBrgb(9, 163, 250)
RGB (0–1)0.0353, 0.6392, 0.9804
RGB percentages3.5%, 63.9%, 98%
HSLhsl(201.7, 96%, 50.8%)
HSV / HSBhsv(201.7, 96.4%, 98%)
CMYK96.4%, 34.8%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer631,802
CSS custom property--colour: #09A3FA;

Brightness & contrast

Relative luminance0.33155WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.63:1
Contrast with white2.75:1WCAG normal text: Fail
Contrast with black7.63:1WCAG normal text: AAA
Greyscale equivalent#898989
Inverted#F65C05

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#79A6FEno red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#5893F8no green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#00B8C3no blue cones; rare, and affects men and women equally; ΔE 47.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.75:1WCAG large text: Fail
Contrast with black, large text7.63:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.9Dodgerblue · ΔE 18.1Deep skyblue · ΔE 19.1Steel blue · ΔE 23.8Light skyblue · ΔE 29.6Royal blue · ΔE 36.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FA6009
Analogous#09FAD9, #092AFA
Triadic#FA09A3, #A3FA09
Split complementary#FA092A, #FAD809
Tetradic#D909FA, #FA6009, #2BFA09

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1EEFE
Lighter +30%#9FDBFD
Lighter +20%#6DC8FC
Lighter +10%#3BB6FB
Darker −10%#0484CC
Darker −20%#03639A
Darker −30%#024368
Darker −40%#012336
More saturated +25%#04A4FF
Less saturated −25%#289ADB

Channel breakdown

R9
G163
B250
Red9 (3.5%)
Green163 (63.9%)
Blue250 (98%)
Hue201.66°
Saturation (HSL)96.02%
Lightness50.78%
Dominant channelBlue
Hex per channelR 09 · G A3 · B FA

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Every value on this page was computed from “09a3fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.