#575EB6#575EB6

#575EB6 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.137 H 277.1°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#575EB6
RGB	rgb(87, 94, 182)
HSL	hsl(236, 39%, 53%)
HSV	hsv(236, 52%, 71%)
CMYK	cmyk(52.2%, 48.4%, 0%, 28.6%)
CIE-LAB	lab(43.37, 22.30, -47.68)
CIE-LCH	lch(43.37, 52.63, 295.07°)
OKLab	oklab(52.04% 0.0169 -0.1358)
OKLCH	oklch(52.04% 0.137 277.1)
XYZ	xyz(16.3740, 13.4080, 45.9721)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575EB6 #B6AF57

analogous

#578DB6 #575EB6 #7F57B6

triadic

#575EB6 #B6575E #5EB657

tetradic

#575EB6 #B6578D #B6AF57 #57B67F

square

#575EB6 #B6578D #B6AF57 #57B67F

split-complementary

#575EB6 #B67F57 #8DB657

monochromatic

#2C3166 #3F4591 #575EB6 #8287C9 #ACB0DB

Accessibility & contrast

On white

5.70

#575EB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#575EB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575EB6

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575EB6	#FFFFFF	#000000	##FFFFFF
##575EB6	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366AB9

Deuteranopia (green-blind)

#2C63B4

Tritanopia (blue-blind)

#2E7181

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575eb6;
/* rgb */ color: rgb(87, 94, 182);
/* oklch */ color: oklch(52.0% 0.137 277.1);

Tailwind

colors: {
  custom: {
    50: '#8d8bcc',
    500: '#575eb6',
    950: '#000000',
  },
}

SCSS

$custom: #575eb6;
$custom-light: #8d8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#575eb6",
  "rgb": {
    "r": 87,
    "g": 94,
    "b": 182
  },
  "hsl": {
    "h": 235.579,
    "s": 39.419,
    "l": 52.745
  },
  "oklch": {
    "l": 0.52043,
    "c": 0.13682,
    "h": 277.1
  },
  "luminance": 0.13409
}

Semantic roles & 50–950 ramp

primary

#575EB6

secondary

#C9C6A0

accent

#C758CF

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #575EB6

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

Preview Lab → · Contrast checker → · Palette generator →