#4F88E1#4F88E1

#4F88E1 is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.0% C 0.147 H 259.0°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#4F88E1
RGB	rgb(79, 136, 225)
HSL	hsl(217, 71%, 60%)
HSV	hsv(217, 65%, 88%)
CMYK	cmyk(64.9%, 39.6%, 0%, 11.8%)
CIE-LAB	lab(56.79, 9.23, -50.85)
CIE-LCH	lch(56.79, 51.68, 280.29°)
OKLab	oklab(63.01% -0.0281 -0.1448)
OKLCH	oklch(63.01% 0.147 259)
XYZ	xyz(25.6144, 24.7043, 74.6381)
Luminance	0.2471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F88E1 #E1A84F

analogous

#4FD1E1 #4F88E1 #5F4FE1

triadic

#4F88E1 #E14F88 #88E14F

tetradic

#4F88E1 #E14FD1 #E1A84F #4FE15F

square

#4F88E1 #E14FD1 #E1A84F #4FE15F

split-complementary

#4F88E1 #E15F4F #D1E14F

monochromatic

#1A4D9B #2367CF #4F88E1 #83ABEA #B8CFF3

Accessibility & contrast

On white

3.53

#4F88E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#4F88E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F88E1

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F88E1	#FFFFFF	#000000	##000000
##4F88E1	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6090E5

Deuteranopia (green-blind)

#4A82DF

Tritanopia (blue-blind)

#009CAA

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4f88e1;
/* rgb */ color: rgb(79, 136, 225);
/* oklch */ color: oklch(63.0% 0.147 259.0);

Tailwind

colors: {
  custom: {
    50: '#8eaaeb',
    500: '#4f88e1',
    950: '#000000',
  },
}

SCSS

$custom: #4f88e1;
$custom-light: #8eaaeb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f88e1",
  "rgb": {
    "r": 79,
    "g": 136,
    "b": 225
  },
  "hsl": {
    "h": 216.575,
    "s": 70.874,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63012,
    "c": 0.14749,
    "h": 259
  },
  "luminance": 0.24707
}

Semantic roles & 50–950 ramp

primary

#4F88E1

secondary

#E2CCAA

accent

#A83AEE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F88E1

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

Preview Lab → · Contrast checker → · Palette generator →