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Recognised as Colour

#289FFA

  • #289FFA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#289FFA is a blue with RGB values 40, 159, 250 and HSL 206°, 95%, 57%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#289FFA#289FFA
HEX#289FFA
RGBrgb(40, 159, 250)
RGB (0–1)0.1569, 0.6235, 0.9804
RGB percentages15.7%, 62.4%, 98%
HSLhsl(206, 95.5%, 56.9%)
HSV / HSBhsv(206, 84%, 98%)
CMYK84%, 36.4%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,662,394
CSS custom property--colour: #289FFA;

Brightness & contrast

Relative luminance0.3215WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.43:1
Contrast with white2.83:1WCAG normal text: Fail
Contrast with black7.43:1WCAG normal text: AAA
Greyscale equivalent#8C8C8C
Inverted#D76005

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#73A4FEno red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#5491F8no green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#00B5C1no blue cones; rare, and affects men and women equally; ΔE 50 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.83:1WCAG large text: Fail
Contrast with black, large text7.43:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.7Dodgerblue · ΔE 14.3Deep skyblue · ΔE 22.9Steel blue · ΔE 24.8Light skyblue · ΔE 32.2Royal blue · ΔE 32.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FA8328
Analogous#28FAEC, #2836FA
Triadic#FA289F, #9FFA28
Split complementary#FA2836, #FAEC28
Tetradic#EC28FA, #FA8328, #36FA28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF8FF
Lighter +30%#BEE2FD
Lighter +20%#8CCCFC
Lighter +10%#5AB5FB
Darker −10%#0587EA
Darker −20%#046AB8
Darker −30%#034D86
Darker −40%#023054
More saturated +25%#23A0FF
Less saturated −25%#439BDF

Channel breakdown

R40
G159
B250
Red40 (15.7%)
Green159 (62.4%)
Blue250 (98%)
Hue206°
Saturation (HSL)95.45%
Lightness56.86%
Dominant channelBlue
Hex per channelR 28 · G 9F · B FA

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Every value on this page was computed from “289ffa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.