#4B88EE#4B88EE

#4B88EE is a light, vivid blue. Relative luminance 0.253; OKLCH L 63.6% C 0.166 H 260.1°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4B88EE
RGB	rgb(75, 136, 238)
HSL	hsl(218, 83%, 61%)
HSV	hsv(218, 68%, 93%)
CMYK	cmyk(68.5%, 42.9%, 0%, 6.7%)
CIE-LAB	lab(57.34, 13.09, -57.21)
CIE-LCH	lch(57.34, 58.69, 282.89°)
OKLab	oklab(63.63% -0.0286 -0.1635)
OKLCH	oklch(63.63% 0.166 260.1)
XYZ	xyz(27.1329, 25.2744, 84.3209)
Luminance	0.2528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B88EE #EEB14B

analogous

#4BDAEE #4B88EE #604BEE

triadic

#4B88EE #EE4B88 #88EE4B

tetradic

#4B88EE #EE4BDA #EEB14B #4BEE60

square

#4B88EE #EE4BDA #EEB14B #4BEE60

split-complementary

#4B88EE #EE604B #DAEE4B

monochromatic

#104BAE #1664E6 #4B88EE #83ADF3 #BBD2F9

Accessibility & contrast

On white

3.47

#4B88EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#4B88EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B88EE

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B88EE	#FFFFFF	#000000	##000000
##4B88EE	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5792F2

Deuteranopia (green-blind)

#3A83EC

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4b88ee;
/* rgb */ color: rgb(75, 136, 238);
/* oklch */ color: oklch(63.6% 0.166 260.1);

Tailwind

colors: {
  custom: {
    50: '#8eaaf4',
    500: '#4b88ee',
    950: '#000000',
  },
}

SCSS

$custom: #4b88ee;
$custom-light: #8eaaf4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b88ee",
  "rgb": {
    "r": 75,
    "g": 136,
    "b": 238
  },
  "hsl": {
    "h": 217.546,
    "s": 82.741,
    "l": 61.373
  },
  "oklch": {
    "l": 0.6363,
    "c": 0.166,
    "h": 260.1
  },
  "luminance": 0.25277
}

Semantic roles & 50–950 ramp

primary

#4B88EE

secondary

#E9D2AC

accent

#8E06DF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4B88EE

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

Preview Lab → · Contrast checker → · Palette generator →