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Recognised as Colour

#1F89FA

  • #1F89FA
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1F89FA is a blue with RGB values 31, 137, 250 and HSL 211°, 96%, 55%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1F89FA#1F89FA
HEX#1F89FA
RGBrgb(31, 137, 250)
RGB (0–1)0.1216, 0.5373, 0.9804
RGB percentages12.2%, 53.7%, 98%
HSLhsl(211, 95.6%, 55.1%)
HSV / HSBhsv(211, 87.6%, 98%)
CMYK87.6%, 45.2%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,066,938
CSS custom property--colour: #1F89FA;

Brightness & contrast

Relative luminance0.25085WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.02:1
Contrast with white3.49:1WCAG normal text: Fail
Contrast with black6.02:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#E07605

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B93FEno red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#0880F8no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#00A4B5no blue cones; rare, and affects men and women equally; ΔE 61.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.49:1WCAG large text: AA
Contrast with black, large text6.02:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 3.4Cornflower blue · ΔE 16Royal blue · ΔE 16.8Slate blue · ΔE 27.2Medium purple · ΔE 28.3Medium slateblue · ΔE 29.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 3.39, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FA901F
Analogous#1FF6FA, #231FFA
Triadic#FA1F89, #89FA1F
Split complementary#FA231F, #F6FA1F
Tetradic#FA1FF6, #FA901F, #1FFA23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7F2FE
Lighter +30%#B5D8FD
Lighter +20%#83BEFC
Lighter +10%#51A3FB
Darker −10%#056FE1
Darker −20%#0457AF
Darker −30%#033E7D
Darker −40%#02254B
More saturated +25%#1A89FF
Less saturated −25%#3C8ADD

Channel breakdown

R31
G137
B250
Red31 (12.2%)
Green137 (53.7%)
Blue250 (98%)
Hue210.96°
Saturation (HSL)95.63%
Lightness55.1%
Dominant channelBlue
Hex per channelR 1F · G 89 · B FA

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Every value on this page was computed from “1f89fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.