#4F88DB#4F88DB

#4F88DB is a light, vivid blue. Relative luminance 0.244; OKLCH L 62.7% C 0.140 H 257.8°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4F88DB
RGB	rgb(79, 136, 219)
HSL	hsl(216, 66%, 58%)
HSV	hsv(216, 64%, 86%)
CMYK	cmyk(63.9%, 37.9%, 0%, 14.1%)
CIE-LAB	lab(56.47, 7.18, -48.00)
CIE-LCH	lch(56.47, 48.53, 278.51°)
OKLab	oklab(62.66% -0.0295 -0.1364)
OKLCH	oklch(62.66% 0.14 257.8)
XYZ	xyz(24.8102, 24.3827, 70.4029)
Luminance	0.2439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F88DB #DBA24F

analogous

#4FCEDB #4F88DB #5C4FDB

triadic

#4F88DB #DB4F88 #88DB4F

tetradic

#4F88DB #DB4FCE #DBA24F #4FDB5C

square

#4F88DB #DB4FCE #DBA24F #4FDB5C

split-complementary

#4F88DB #DB5C4F #CEDB4F

monochromatic

#1E4D92 #2868C5 #4F88DB #82AAE5 #B5CDF0

Accessibility & contrast

On white

3.57

#4F88DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#4F88DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F88DB

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F88DB	#FFFFFF	#000000	##000000
##4F88DB	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#638FDE

Deuteranopia (green-blind)

#4F81D9

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4f88db;
/* rgb */ color: rgb(79, 136, 219);
/* oklch */ color: oklch(62.7% 0.140 257.8);

Tailwind

colors: {
  custom: {
    50: '#8daae6',
    500: '#4f88db',
    950: '#000000',
  },
}

SCSS

$custom: #4f88db;
$custom-light: #8daae6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f88db",
  "rgb": {
    "r": 79,
    "g": 136,
    "b": 219
  },
  "hsl": {
    "h": 215.571,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.62662,
    "c": 0.13956,
    "h": 257.8
  },
  "luminance": 0.24385
}

Semantic roles & 50–950 ramp

primary

#4F88DB

secondary

#DFC8A7

accent

#A43FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F88DB

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

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