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Recognised as Colour

#3689FA

  • #3689FA
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3689FA is a blue with RGB values 54, 137, 250 and HSL 215°, 95%, 60%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3689FA#3689FA
HEX#3689FA
RGBrgb(54, 137, 250)
RGB (0–1)0.2118, 0.5373, 0.9804
RGB percentages21.2%, 53.7%, 98%
HSLhsl(214.6, 95.1%, 59.6%)
HSV / HSBhsv(214.6, 78.4%, 98%)
CMYK78.4%, 45.2%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,574,266
CSS custom property--colour: #3689FA;

Brightness & contrast

Relative luminance0.25578WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.12:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.12:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#C97605

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C94FEno red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#1B82F8no green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#00A4B5no blue cones; rare, and affects men and women equally; ΔE 62.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.12:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 4.6Cornflower blue · ΔE 15.5Royal blue · ΔE 15.7Slate blue · ΔE 25.7Medium purple · ΔE 26.4Medium slateblue · ΔE 27.5
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 4.58, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FAA736
Analogous#36EBFA, #4536FA
Triadic#FA3689, #89FA36
Split complementary#FA4536, #EBFA36
Tetradic#FA36EB, #FAA736, #36FA45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#CBE1FE
Lighter +20%#9AC3FC
Lighter +10%#68A6FB
Darker −10%#066CF7
Darker −20%#0556C5
Darker −30%#044193
Darker −40%#022B62
More saturated +25%#3188FF
Less saturated −25%#508DE0

Channel breakdown

R54
G137
B250
Red54 (21.2%)
Green137 (53.7%)
Blue250 (98%)
Hue214.59°
Saturation (HSL)95.15%
Lightness59.61%
Dominant channelBlue
Hex per channelR 36 · G 89 · B FA

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Every value on this page was computed from “3689fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.