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Recognised as Colour

#4981DA

  • #4981DA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4981DA is a blue with RGB values 73, 129, 218 and HSL 217°, 66%, 57%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4981DA#4981DA
HEX#4981DA
RGBrgb(73, 129, 218)
RGB (0–1)0.2863, 0.5059, 0.8549
RGB percentages28.6%, 50.6%, 85.5%
HSLhsl(216.8, 66.2%, 57.1%)
HSV / HSBhsv(216.8, 66.5%, 85.5%)
CMYK66.5%, 40.8%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,817,370
CSS custom property--colour: #4981DA;

Brightness & contrast

Relative luminance0.22179WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.44:1
Contrast with white3.86:1WCAG normal text: Fail
Contrast with black5.44:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#B67E25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5889DDno red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#417BD8no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#0095A3no blue cones; rare, and affects men and women equally; ΔE 51 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.86:1WCAG large text: AA
Contrast with black, large text5.44:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.9Dodgerblue · ΔE 13.4Royal blue · ΔE 22.5Steel blue · ΔE 23.6Medium purple · ΔE 26.8Slate blue · ΔE 28.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.94, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAA249
Analogous#49CADA, #5949DA
Triadic#DA4981, #81DA49
Split complementary#DA5A49, #C9DA49
Tetradic#DA49CA, #DAA249, #49DA5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F6FC
Lighter +30%#C8D9F4
Lighter +20%#9EBCEB
Lighter +10%#739EE3
Darker −10%#2966C7
Darker −20%#20509D
Darker −30%#173B73
Darker −40%#0F2548
More saturated +25%#2E7BF5
Less saturated −25%#6487BF

Channel breakdown

R73
G129
B218
Red73 (28.6%)
Green129 (50.6%)
Blue218 (85.5%)
Hue216.83°
Saturation (HSL)66.21%
Lightness57.06%
Dominant channelBlue
Hex per channelR 49 · G 81 · B DA

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Every value on this page was computed from “4981da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.