#575BD1#575BD1

#575BD1 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.4% C 0.178 H 277.0°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#575BD1
RGB	rgb(87, 91, 209)
HSL	hsl(238, 57%, 58%)
HSV	hsv(238, 58%, 82%)
CMYK	cmyk(58.4%, 56.5%, 0%, 18%)
CIE-LAB	lab(44.39, 32.95, -61.67)
CIE-LCH	lch(44.39, 69.92, 298.12°)
OKLab	oklab(53.38% 0.0218 -0.1769)
OKLCH	oklch(53.38% 0.178 277)
XYZ	xyz(19.1765, 14.1105, 62.0223)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575BD1 #D1CD57

analogous

#5798D1 #575BD1 #9057D1

triadic

#575BD1 #D1575B #5BD157

tetradic

#575BD1 #D15798 #D1CD57 #57D190

square

#575BD1 #D15798 #D1CD57 #57D190

split-complementary

#575BD1 #D19057 #98D157

monochromatic

#252988 #3237B8 #575BD1 #878ADE #B7B9EB

Accessibility & contrast

On white

5.49

#575BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#575BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BD1

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575BD1	#FFFFFF	#000000	##FFFFFF
##575BD1	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED5

Deuteranopia (green-blind)

#0064CF

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #575bd1;
/* rgb */ color: rgb(87, 91, 209);
/* oklch */ color: oklch(53.4% 0.178 277.0);

Tailwind

colors: {
  custom: {
    50: '#9189e0',
    500: '#575bd1',
    950: '#000000',
  },
}

SCSS

$custom: #575bd1;
$custom-light: #9189e0;
$custom-dark: #000000;

JSON

{
  "hex": "#575bd1",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 209
  },
  "hsl": {
    "h": 238.033,
    "s": 57.009,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53376,
    "c": 0.17829,
    "h": 277
  },
  "luminance": 0.14112
}

Semantic roles & 50–950 ramp

primary

#575BD1

secondary

#DAD9AA

accent

#DB48E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #575BD1

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

Preview Lab → · Contrast checker → · Palette generator →