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Recognised as Colour

#5991EA

  • #5991EA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#5991EA is a blue with RGB values 89, 145, 234 and HSL 217°, 78%, 63%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5991EA#5991EA
HEX#5991EA
RGBrgb(89, 145, 234)
RGB (0–1)0.349, 0.5686, 0.9176
RGB percentages34.9%, 56.9%, 91.8%
HSLhsl(216.8, 77.5%, 63.3%)
HSV / HSBhsv(216.8, 62%, 91.8%)
CMYK62%, 38%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,870,058
CSS custom property--colour: #5991EA;

Brightness & contrast

Relative luminance0.28315WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.66:1
Contrast with white3.15:1WCAG normal text: Fail
Contrast with black6.66:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#A66E15

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6A98EEno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#568BE8no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#00A5B2no blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.15:1WCAG large text: AA
Contrast with black, large text6.66:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 2.2Dodgerblue · ΔE 13Steel blue · ΔE 23.6Royal blue · ΔE 26.1Medium purple · ΔE 28.6Deep skyblue · ΔE 30.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 2.21, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EAB259
Analogous#59DAEA, #6959EA
Triadic#EA5991, #91EA59
Split complementary#EA6A59, #D9EA59
Tetradic#EA59DA, #EAB259, #59EA6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E1EBFB
Lighter +20%#B4CDF5
Lighter +10%#86AFF0
Darker −10%#2C73E4
Darker −20%#195BC4
Darker −30%#134697
Darker −40%#0D316A
More saturated +25%#448CFF
Less saturated −25%#7096D3

Channel breakdown

R89
G145
B234
Red89 (34.9%)
Green145 (56.9%)
Blue234 (91.8%)
Hue216.83°
Saturation (HSL)77.54%
Lightness63.33%
Dominant channelBlue
Hex per channelR 59 · G 91 · B EA

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Every value on this page was computed from “5991ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.