#4D81EB#4D81EB

#4D81EB is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.1% C 0.169 H 262.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#4D81EB
RGB	rgb(77, 129, 235)
HSL	hsl(220, 80%, 61%)
HSV	hsv(220, 67%, 92%)
CMYK	cmyk(67.2%, 45.1%, 0%, 7.8%)
CIE-LAB	lab(55.35, 16.60, -58.72)
CIE-LCH	lch(55.35, 61.03, 285.79°)
OKLab	oklab(62.07% -0.0212 -0.168)
OKLCH	oklch(62.07% 0.169 262.8)
XYZ	xyz(25.9009, 23.2739, 81.7085)
Luminance	0.2328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81EB #EBB74D

analogous

#4DD0EB #4D81EB #684DEB

triadic

#4D81EB #EB4D81 #81EB4D

tetradic

#4D81EB #EB4DD0 #EBB74D #4DEB68

square

#4D81EB #EB4DD0 #EBB74D #4DEB68

split-complementary

#4D81EB #EB684D #D0EB4D

monochromatic

#1345AA #195BE1 #4D81EB #84A8F1 #BBCFF7

Accessibility & contrast

On white

3.71

#4D81EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#4D81EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81EB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81EB	#FFFFFF	#000000	##000000
##4D81EB	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8CEF

Deuteranopia (green-blind)

#2E7EE9

Tritanopia (blue-blind)

#009AAA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4d81eb;
/* rgb */ color: rgb(77, 129, 235);
/* oklch */ color: oklch(62.1% 0.169 262.8);

Tailwind

colors: {
  custom: {
    50: '#8fa5f2',
    500: '#4d81eb',
    950: '#000000',
  },
}

SCSS

$custom: #4d81eb;
$custom-light: #8fa5f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81eb",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 235
  },
  "hsl": {
    "h": 220.253,
    "s": 79.798,
    "l": 61.176
  },
  "oklch": {
    "l": 0.62065,
    "c": 0.16937,
    "h": 262.8
  },
  "luminance": 0.23276
}

Semantic roles & 50–950 ramp

primary

#4D81EB

secondary

#E8D4AC

accent

#9709DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4D81EB

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

Preview Lab → · Contrast checker → · Palette generator →