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Recognised as Colour

#5BABFF

  • #5BABFF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#5BABFF is a blue with RGB values 91, 171, 255 and HSL 211°, 100%, 68%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5BABFF#5BABFF
HEX#5BABFF
RGBrgb(91, 171, 255)
RGB (0–1)0.3569, 0.6706, 1
RGB percentages35.7%, 67.1%, 100%
HSLhsl(210.7, 100%, 67.8%)
HSV / HSBhsv(210.7, 64.3%, 100%)
CMYK64.3%, 32.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,007,807
CSS custom property--colour: #5BABFF;

Brightness & contrast

Relative luminance0.3857WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.71:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.71:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#A45400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#86AFFFno red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#70A0FDno green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#00BFC9no blue cones; rare, and affects men and women equally; ΔE 48.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.71:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.7Dodgerblue · ΔE 19.4Deep skyblue · ΔE 20Steel blue · ΔE 23.6Light skyblue · ΔE 26.1Sky blue · ΔE 33.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFAF5B
Analogous#5BFDFF, #5D5BFF
Triadic#FF5BAB, #ABFF5B
Split complementary#FF5D5B, #FDFF5B
Tetradic#FF5BFD, #FFAF5B, #5BFF5D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F4F9FF
Lighter +20%#C1DFFF
Lighter +10%#8EC5FF
Darker −10%#2891FF
Darker −20%#0077F4
Darker −30%#005EC1
Darker −40%#00458E
More saturated +25%#5BABFF
Less saturated −25%#70ABEB

Channel breakdown

R91
G171
B255
Red91 (35.7%)
Green171 (67.1%)
Blue255 (100%)
Hue210.73°
Saturation (HSL)100%
Lightness67.84%
Dominant channelBlue
Hex per channelR 5B · G AB · B FF

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Every value on this page was computed from “5babff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.