#4F81EA#4F81EA

#4F81EA is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.1% C 0.167 H 263.2°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#4F81EA
RGB	rgb(79, 129, 234)
HSL	hsl(221, 79%, 61%)
HSV	hsv(221, 66%, 92%)
CMYK	cmyk(66.2%, 44.9%, 0%, 8.2%)
CIE-LAB	lab(55.38, 16.57, -58.12)
CIE-LCH	lch(55.38, 60.43, 285.91°)
OKLab	oklab(62.09% -0.0198 -0.1662)
OKLCH	oklch(62.09% 0.167 263.2)
XYZ	xyz(25.9208, 23.3008, 80.9574)
Luminance	0.2330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F81EA #EAB84F

analogous

#4FCFEA #4F81EA #6B4FEA

triadic

#4F81EA #EA4F81 #81EA4F

tetradic

#4F81EA #EA4FCF #EAB84F #4FEA6B

square

#4F81EA #EA4FCF #EAB84F #4FEA6B

split-complementary

#4F81EA #EA6B4F #CFEA4F

monochromatic

#1445AA #1B5BE1 #4F81EA #86A8F1 #BCCFF7

Accessibility & contrast

On white

3.71

#4F81EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#4F81EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F81EA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F81EA	#FFFFFF	#000000	##000000
##4F81EA	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)

#4D8CEE

Deuteranopia (green-blind)

#307EE8

Tritanopia (blue-blind)

#0099AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4f81ea;
/* rgb */ color: rgb(79, 129, 234);
/* oklch */ color: oklch(62.1% 0.167 263.2);

Tailwind

colors: {
  custom: {
    50: '#90a5f1',
    500: '#4f81ea',
    950: '#000000',
  },
}

SCSS

$custom: #4f81ea;
$custom-light: #90a5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f81ea",
  "rgb": {
    "r": 79,
    "g": 129,
    "b": 234
  },
  "hsl": {
    "h": 220.645,
    "s": 78.68,
    "l": 61.373
  },
  "oklch": {
    "l": 0.6209,
    "c": 0.16738,
    "h": 263.2
  },
  "luminance": 0.23303
}

Semantic roles & 50–950 ramp

primary

#4F81EA

secondary

#E7D5AD

accent

#980BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4F81EA

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

Preview Lab → · Contrast checker → · Palette generator →