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Recognised as Colour

#91BFE1

  • #91BFE1
  • Blue
  • Dark
  • Nearest: Sky blue

#91BFE1 is a blue with RGB values 145, 191, 225 and HSL 206°, 57%, 73%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#91BFE1#91BFE1
HEX#91BFE1
RGBrgb(145, 191, 225)
RGB (0–1)0.5686, 0.749, 0.8824
RGB percentages56.9%, 74.9%, 88.2%
HSLhsl(205.5, 57.1%, 72.5%)
HSV / HSBhsv(205.5, 35.6%, 88.2%)
CMYK35.6%, 15.1%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,551,841
CSS custom property--colour: #91BFE1;

Brightness & contrast

Relative luminance0.48718WCAG 2.x, 0 is black and 1 is white
Perceived brightness183 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.74:1
Contrast with white1.95:1WCAG normal text: Fail
Contrast with black10.74:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#6E401E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1BEE3no red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#A6B6E0no green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#76C7CAno blue cones; rare, and affects men and women equally; ΔE 21.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.95:1WCAG large text: Fail
Contrast with black, large text10.74:1WCAG large text: AAA

Named colours

Sky blue · ΔE 8.8Light skyblue · ΔE 8.9Light steelblue · ΔE 9.3Light blue · ΔE 14Powder blue · ΔE 19Light slate grey · ΔE 22.6
Nearest named CSS colourSky blue (#87CEEB)ΔE 8.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1B391
Analogous#91E1DB, #9197E1
Triadic#E191BF, #BFE191
Split complementary#E19197, #E1DB91
Tetradic#DB91E1, #E1B391, #97E191

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E1EEF7
Lighter +10%#B9D6EC
Darker −10%#69A8D6
Darker −20%#4190CB
Darker −30%#2F76AB
Darker −40%#245A82
More saturated +25%#80C2F3
Less saturated −25%#A3BCD0

Channel breakdown

R145
G191
B225
Red145 (56.9%)
Green191 (74.9%)
Blue225 (88.2%)
Hue205.5°
Saturation (HSL)57.14%
Lightness72.55%
Dominant channelBlue
Hex per channelR 91 · G BF · B E1

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Every value on this page was computed from “91bfe1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.