#4557D8#4557D8

#4557D8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.1% C 0.197 H 271.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#4557D8
RGB	rgb(69, 87, 216)
HSL	hsl(233, 65%, 56%)
HSV	hsv(233, 68%, 85%)
CMYK	cmyk(68.1%, 59.7%, 0%, 15.3%)
CIE-LAB	lab(42.82, 34.94, -68.28)
CIE-LCH	lch(42.82, 76.70, 297.10°)
OKLab	oklab(52.08% 0.0056 -0.1969)
OKLCH	oklch(52.08% 0.197 271.6)
XYZ	xyz(18.2529, 13.0377, 66.5070)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557D8 #D8C645

analogous

#45A0D8 #4557D8 #7C45D8

triadic

#4557D8 #D84557 #57D845

tetradic

#4557D8 #D845A0 #D8C645 #45D87C

square

#4557D8 #D845A0 #D8C645 #45D87C

split-complementary

#4557D8 #D87C45 #A0D845

monochromatic

#1C2986 #2739B9 #4557D8 #7885E3 #AAB2ED

Accessibility & contrast

On white

5.82

#4557D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4557D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557D8

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557D8	#FFFFFF	#000000	##FFFFFF
##4557D8	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDC

Deuteranopia (green-blind)

#005FD5

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4557d8;
/* rgb */ color: rgb(69, 87, 216);
/* oklch */ color: oklch(52.1% 0.197 271.6);

Tailwind

colors: {
  custom: {
    50: '#8a86e5',
    500: '#4557d8',
    950: '#000000',
  },
}

SCSS

$custom: #4557d8;
$custom-light: #8a86e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4557d8",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 216
  },
  "hsl": {
    "h": 232.653,
    "s": 65.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.52081,
    "c": 0.19696,
    "h": 271.6
  },
  "luminance": 0.13039
}

Semantic roles & 50–950 ramp

primary

#4557D8

secondary

#DBD39E

accent

#D440E8

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4557D8

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

Preview Lab → · Contrast checker → · Palette generator →