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Recognised as Colour

#1F89FE

  • #1F89FE
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1F89FE is a blue with RGB values 31, 137, 254 and HSL 211°, 99%, 56%. 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

#1F89FE#1F89FE
HEX#1F89FE
RGBrgb(31, 137, 254)
RGB (0–1)0.1216, 0.5373, 0.9961
RGB percentages12.2%, 53.7%, 99.6%
HSLhsl(211.5, 99.1%, 55.9%)
HSV / HSBhsv(211.5, 87.8%, 99.6%)
CMYK87.8%, 46.1%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,066,942
CSS custom property--colour: #1F89FE;

Brightness & contrast

Relative luminance0.25338WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.07:1
Contrast with white3.46:1WCAG normal text: Fail
Contrast with black6.07:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#E07601

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4794FFno red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#0081FCno green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#00A5B7no blue cones; rare, and affects men and women equally; ΔE 63.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.46:1WCAG large text: AA
Contrast with black, large text6.07:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5.1Royal blue · ΔE 15.7Cornflower blue · ΔE 17.9Slate blue · ΔE 26.5Medium slateblue · ΔE 27.7Medium purple · ΔE 28
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.13, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FE941F
Analogous#1FF8FE, #251FFE
Triadic#FE1F89, #89FE1F
Split complementary#FE251F, #F8FE1F
Tetradic#FE1FF8, #FE941F, #1FFE25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAF4FF
Lighter +30%#B7D9FF
Lighter +20%#85BEFE
Lighter +10%#52A4FE
Darker −10%#016FE9
Darker −20%#0157B6
Darker −30%#013F83
Darker −40%#002751
More saturated +25%#1E89FF
Less saturated −25%#3B8AE2

Channel breakdown

R31
G137
B254
Red31 (12.2%)
Green137 (53.7%)
Blue254 (99.6%)
Hue211.48°
Saturation (HSL)99.11%
Lightness55.88%
Dominant channelBlue
Hex per channelR 1F · G 89 · B FE

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Every value on this page was computed from “1f89fe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.