Colour

#81A4EC

#81A4EC
Blue
Dark
Nearest: Cornflower blue

#81A4EC is a blue with RGB values 129, 164, 236 and HSL 220°, 74%, 72%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#81A4EC#81A4EC

HEX#81A4EC

RGBrgb(129, 164, 236)

RGB (0–1)0.5059, 0.6431, 0.9255

RGB percentages50.6%, 64.3%, 92.5%

HSLhsl(220.4, 73.8%, 71.6%)

HSV / HSBhsv(220.4, 45.3%, 92.5%)

CMYK45.3%, 30.5%, 0%, 7.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,496,364

CSS custom property--colour: #81A4EC;

Brightness & contrast

Relative luminance0.37274WCAG 2.x, 0 is black and 1 is white

Perceived brightness164.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.45:1

Contrast with white2.48:1WCAG normal text: Fail

Contrast with black8.45:1WCAG normal text: AAA

Greyscale equivalent#A2A2A2

Inverted#7E5B13

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8AAAEFno red cones; affects about 1% of men; ΔE 3 from the original

Deuteranopia#7EA0EAno green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#58B3BEno blue cones; rare, and affects men and women equally; ΔE 40.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.48:1WCAG large text: Fail

Contrast with black, large text8.45:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.2 Steel blue · ΔE 20.1 Light skyblue · ΔE 24.3 Dodgerblue · ΔE 25 Deep skyblue · ΔE 25.1 Light steelblue · ΔE 28.2

Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.21, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#ECC981

Analogous#81D9EC, #9481EC

Triadic#EC81A4, #A4EC81

Split complementary#EC9481, #D9EC81

Tetradic#EC81D9, #ECC981, #81EC94

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#DAE4F9

Lighter +10%#ADC4F3

Darker −10%#5584E5

Darker −20%#2864DF

Darker −30%#1C4FB8

Darker −40%#153C8C

More saturated +25%#6F9EFE

Less saturated −25%#93AADA

Channel breakdown

R129

G164

B236

Red129 (50.6%)

Green164 (64.3%)

Blue236 (92.5%)

Hue220.37°

Saturation (HSL)73.79%

Lightness71.57%

Dominant channelBlue

Hex per channelR 81 · G A4 · B EC

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#81A4EC

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else