#4F88DD#4F88DD

#4F88DD is a light, vivid blue. Relative luminance 0.245; OKLCH L 62.8% C 0.142 H 258.2°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#4F88DD
RGB	rgb(79, 136, 221)
HSL	hsl(216, 68%, 59%)
HSV	hsv(216, 64%, 87%)
CMYK	cmyk(64.3%, 38.5%, 0%, 13.3%)
CIE-LAB	lab(56.57, 7.86, -48.95)
CIE-LCH	lch(56.57, 49.58, 279.12°)
OKLab	oklab(62.78% -0.029 -0.1392)
OKLCH	oklch(62.78% 0.142 258.2)
XYZ	xyz(25.0751, 24.4886, 71.7979)
Luminance	0.2449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F88DD #DDA44F

analogous

#4FCFDD #4F88DD #5D4FDD

triadic

#4F88DD #DD4F88 #88DD4F

tetradic

#4F88DD #DD4FCF #DDA44F #4FDD5D

square

#4F88DD #DD4FCF #DDA44F #4FDD5D

split-complementary

#4F88DD #DD5D4F #CFDD4F

monochromatic

#1D4D95 #2767C8 #4F88DD #82ABE7 #B6CDF1

Accessibility & contrast

On white

3.56

#4F88DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#4F88DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F88DD

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F88DD	#FFFFFF	#000000	##000000
##4F88DD	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628FE0

Deuteranopia (green-blind)

#4E82DB

Tritanopia (blue-blind)

#009BA8

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4f88dd;
/* rgb */ color: rgb(79, 136, 221);
/* oklch */ color: oklch(62.8% 0.142 258.2);

Tailwind

colors: {
  custom: {
    50: '#8daae8',
    500: '#4f88dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f88dd;
$custom-light: #8daae8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f88dd",
  "rgb": {
    "r": 79,
    "g": 136,
    "b": 221
  },
  "hsl": {
    "h": 215.915,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.62778,
    "c": 0.14221,
    "h": 258.2
  },
  "luminance": 0.24491
}

Semantic roles & 50–950 ramp

primary

#4F88DD

secondary

#E0C9A8

accent

#A53DEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F88DD

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

Preview Lab → · Contrast checker → · Palette generator →