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Colour

#489BE4

  • #489BE4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#489BE4 is a blue with RGB values 72, 155, 228 and HSL 208°, 74%, 59%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#489BE4#489BE4
HEX#489BE4
RGBrgb(72, 155, 228)
RGB (0–1)0.2824, 0.6078, 0.8941
RGB percentages28.2%, 60.8%, 89.4%
HSLhsl(208.1, 74.3%, 58.8%)
HSV / HSBhsv(208.1, 68.4%, 89.4%)
CMYK68.4%, 32%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,758,500
CSS custom property--colour: #489BE4;

Brightness & contrast

Relative luminance0.30422WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.08:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.08:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#B7641B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A9EE7no red cones; affects about 1% of men; ΔE 10.3 from the original
Deuteranopia#658FE3no green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#00ACB5no blue cones; rare, and affects men and women equally; ΔE 42.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.08:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.4Steel blue · ΔE 15.5Deep skyblue · ΔE 18.9Dodgerblue · ΔE 22.7Light skyblue · ΔE 25.3Sky blue · ΔE 31.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.43, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E49148
Analogous#48E4DF, #484DE4
Triadic#E4489B, #9BE448
Split complementary#E4484D, #E4DF48
Tetradic#DF48E4, #E49148, #4DE448

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFCFE
Lighter +30%#CDE4F8
Lighter +20%#A1CCF1
Lighter +10%#74B3EB
Darker −10%#2082D9
Darker −20%#1968AD
Darker −30%#134D80
Darker −40%#0C3254
More saturated +25%#2E9DFE
Less saturated −25%#6299CA

Channel breakdown

R72
G155
B228
Red72 (28.2%)
Green155 (60.8%)
Blue228 (89.4%)
Hue208.08°
Saturation (HSL)74.29%
Lightness58.82%
Dominant channelBlue
Hex per channelR 48 · G 9B · B E4

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Every value on this page was computed from “489be4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.