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Colour

#1B88FE

  • #1B88FE
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1B88FE is a blue with RGB values 27, 136, 254 and HSL 211°, 99%, 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

#1B88FE#1B88FE
HEX#1B88FE
RGBrgb(27, 136, 254)
RGB (0–1)0.1059, 0.5333, 0.9961
RGB percentages10.6%, 53.3%, 99.6%
HSLhsl(211.2, 99.1%, 55.1%)
HSV / HSBhsv(211.2, 89.4%, 99.6%)
CMYK89.4%, 46.5%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,804,542
CSS custom property--colour: #1B88FE;

Brightness & contrast

Relative luminance0.24997WCAG 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 6:1
Contrast with white3.5:1WCAG normal text: Fail
Contrast with black6:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#E47701

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4493FFno red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#0080FCno green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#00A5B7no blue cones; rare, and affects men and women equally; ΔE 64.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.5:1WCAG large text: AA
Contrast with black, large text6:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5.8Royal blue · ΔE 15.2Cornflower blue · ΔE 18.6Slate blue · ΔE 26.2Medium slateblue · ΔE 27.2Medium purple · ΔE 28
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FE911B
Analogous#1BF9FE, #201BFE
Triadic#FE1B88, #88FE1B
Split complementary#FE201B, #F9FE1B
Tetradic#FE1BF9, #FE911B, #1BFE20

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F2FF
Lighter +30%#B3D8FF
Lighter +20%#81BDFE
Lighter +10%#4EA3FE
Darker −10%#016EE5
Darker −20%#0156B2
Darker −30%#013D7F
Darker −40%#00254D
More saturated +25%#1A88FF
Less saturated −25%#3889E1

Channel breakdown

R27
G136
B254
Red27 (10.6%)
Green136 (53.3%)
Blue254 (99.6%)
Hue211.19°
Saturation (HSL)99.13%
Lightness55.1%
Dominant channelBlue
Hex per channelR 1B · G 88 · B FE

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Every value on this page was computed from “1b88fe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.