#4557EA#4557EA

#4557EA is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.6% C 0.220 H 271.3°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4557EA
RGB	rgb(69, 87, 234)
HSL	hsl(233, 80%, 59%)
HSV	hsv(233, 71%, 92%)
CMYK	cmyk(70.5%, 62.8%, 0%, 8.2%)
CIE-LAB	lab(44.26, 41.12, -76.15)
CIE-LCH	lch(44.26, 86.54, 298.37°)
OKLab	oklab(53.59% 0.0051 -0.22)
OKLCH	oklch(53.59% 0.22 271.3)
XYZ	xyz(20.7087, 14.0200, 79.4407)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557EA #EAD845

analogous

#45A9EA #4557EA #8645EA

triadic

#4557EA #EA4557 #57EA45

tetradic

#4557EA #EA45A9 #EAD845 #45EA86

square

#4557EA #EA45A9 #EAD845 #45EA86

split-complementary

#4557EA #EA8645 #A9EA45

monochromatic

#1222A2 #192ED9 #4557EA #7C89F0 #B3BAF6

Accessibility & contrast

On white

5.52

#4557EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4557EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557EA

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557EA	#FFFFFF	#000000	##FFFFFF
##4557EA	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070EF

Deuteranopia (green-blind)

#0061E7

Tritanopia (blue-blind)

#007D98

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4557ea;
/* rgb */ color: rgb(69, 87, 234);
/* oklch */ color: oklch(53.6% 0.220 271.3);

Tailwind

colors: {
  custom: {
    50: '#8e86f2',
    500: '#4557ea',
    950: '#000000',
  },
}

SCSS

$custom: #4557ea;
$custom-light: #8e86f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4557ea",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 234
  },
  "hsl": {
    "h": 233.455,
    "s": 79.71,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53591,
    "c": 0.22003,
    "h": 271.3
  },
  "luminance": 0.14022
}

Semantic roles & 50–950 ramp

primary

#4557EA

secondary

#E6DFA5

accent

#E132F6

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4557EA

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

Preview Lab → · Contrast checker → · Palette generator →