#4B88E5#4B88E5

#4B88E5 is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.1% C 0.154 H 258.6°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#4B88E5
RGB	rgb(75, 136, 229)
HSL	hsl(216, 75%, 60%)
HSV	hsv(216, 67%, 90%)
CMYK	cmyk(67.2%, 40.6%, 0%, 10.2%)
CIE-LAB	lab(56.84, 9.96, -53.01)
CIE-LCH	lch(56.84, 53.94, 280.64°)
OKLab	oklab(63.08% -0.0304 -0.1512)
OKLCH	oklch(63.08% 0.154 258.6)
XYZ	xyz(25.8436, 24.7587, 77.5305)
Luminance	0.2476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B88E5 #E5A84B

analogous

#4BD5E5 #4B88E5 #5B4BE5

triadic

#4B88E5 #E54B88 #88E54B

tetradic

#4B88E5 #E54BD5 #E5A84B #4BE55B

square

#4B88E5 #E54BD5 #E5A84B #4BE55B

split-complementary

#4B88E5 #E55B4B #D5E54B

monochromatic

#174D9F #1F67D4 #4B88E5 #80ABED #B6CFF4

Accessibility & contrast

On white

3.53

#4B88E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#4B88E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B88E5

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B88E5	#FFFFFF	#000000	##000000
##4B88E5	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D90E9

Deuteranopia (green-blind)

#4582E3

Tritanopia (blue-blind)

#009DAB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4b88e5;
/* rgb */ color: rgb(75, 136, 229);
/* oklch */ color: oklch(63.1% 0.154 258.6);

Tailwind

colors: {
  custom: {
    50: '#8daaee',
    500: '#4b88e5',
    950: '#000000',
  },
}

SCSS

$custom: #4b88e5;
$custom-light: #8daaee;
$custom-dark: #000000;

JSON

{
  "hex": "#4b88e5",
  "rgb": {
    "r": 75,
    "g": 136,
    "b": 229
  },
  "hsl": {
    "h": 216.234,
    "s": 74.757,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63079,
    "c": 0.15419,
    "h": 258.6
  },
  "luminance": 0.24761
}

Semantic roles & 50–950 ramp

primary

#4B88E5

secondary

#E4CCA8

accent

#A736F1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4B88E5

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

Preview Lab → · Contrast checker → · Palette generator →