#4F88E4#4F88E4

#4F88E4 is a light, vivid blue. Relative luminance 0.249; OKLCH L 63.2% C 0.151 H 259.5°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4F88E4
RGB	rgb(79, 136, 228)
HSL	hsl(217, 73%, 60%)
HSV	hsv(217, 65%, 89%)
CMYK	cmyk(65.4%, 40.4%, 0%, 10.6%)
CIE-LAB	lab(56.95, 10.26, -52.27)
CIE-LCH	lch(56.95, 53.27, 281.10°)
OKLab	oklab(63.19% -0.0275 -0.1489)
OKLCH	oklch(63.19% 0.151 259.5)
XYZ	xyz(26.0272, 24.8695, 76.8124)
Luminance	0.2487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F88E4 #E4AB4F

analogous

#4FD2E4 #4F88E4 #604FE4

triadic

#4F88E4 #E44F88 #88E44F

tetradic

#4F88E4 #E44FD2 #E4AB4F #4FE460

square

#4F88E4 #E44FD2 #E4AB4F #4FE460

split-complementary

#4F88E4 #E4604F #D2E44F

monochromatic

#194CA0 #2166D5 #4F88E4 #84ACEC #B9D0F4

Accessibility & contrast

On white

3.51

#4F88E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#4F88E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F88E4

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F88E4	#FFFFFF	#000000	##000000
##4F88E4	1.00	3.51	5.97	5.97
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E90E8

Deuteranopia (green-blind)

#4782E2

Tritanopia (blue-blind)

#009DAB

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f88e4;
/* rgb */ color: rgb(79, 136, 228);
/* oklch */ color: oklch(63.2% 0.151 259.5);

Tailwind

colors: {
  custom: {
    50: '#8faaed',
    500: '#4f88e4',
    950: '#000000',
  },
}

SCSS

$custom: #4f88e4;
$custom-light: #8faaed;
$custom-dark: #000000;

JSON

{
  "hex": "#4f88e4",
  "rgb": {
    "r": 79,
    "g": 136,
    "b": 228
  },
  "hsl": {
    "h": 217.047,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6319,
    "c": 0.15146,
    "h": 259.5
  },
  "luminance": 0.24872
}

Semantic roles & 50–950 ramp

primary

#4F88E4

secondary

#E4CEAB

accent

#8A10D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4F88E4

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

Preview Lab → · Contrast checker → · Palette generator →