#4D81EF#4D81EF

#4D81EF is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.3% C 0.175 H 263.2°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4D81EF
RGB	rgb(77, 129, 239)
HSL	hsl(221, 84%, 62%)
HSV	hsv(221, 68%, 94%)
CMYK	cmyk(67.8%, 46%, 0%, 6.3%)
CIE-LAB	lab(55.59, 18.00, -60.57)
CIE-LCH	lch(55.59, 63.18, 286.55°)
OKLab	oklab(62.32% -0.0206 -0.1734)
OKLCH	oklch(62.32% 0.175 263.2)
XYZ	xyz(26.4853, 23.5076, 84.7862)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81EF #EFBB4D

analogous

#4DD2EF #4D81EF #6A4DEF

triadic

#4D81EF #EF4D81 #81EF4D

tetradic

#4D81EF #EF4DD2 #EFBB4D #4DEF6A

square

#4D81EF #EF4DD2 #EFBB4D #4DEF6A

split-complementary

#4D81EF #EF6A4D #D2EF4D

monochromatic

#1044B2 #1559EA #4D81EF #85A9F4 #BDD0F9

Accessibility & contrast

On white

3.68

#4D81EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#4D81EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81EF

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81EF	#FFFFFF	#000000	##000000
##4D81EF	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#488DF3

Deuteranopia (green-blind)

#267EED

Tritanopia (blue-blind)

#009BAC

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4d81ef;
/* rgb */ color: rgb(77, 129, 239);
/* oklch */ color: oklch(62.3% 0.175 263.2);

Tailwind

colors: {
  custom: {
    50: '#90a5f5',
    500: '#4d81ef',
    950: '#000000',
  },
}

SCSS

$custom: #4d81ef;
$custom-light: #90a5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81ef",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 239
  },
  "hsl": {
    "h": 220.741,
    "s": 83.505,
    "l": 61.961
  },
  "oklch": {
    "l": 0.62324,
    "c": 0.17467,
    "h": 263.2
  },
  "luminance": 0.2351
}

Semantic roles & 50–950 ramp

primary

#4D81EF

secondary

#EAD7AE

accent

#9A06E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4D81EF

Body copy rendered with the generated semantic roles for this colour.

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