#575EB7#575EB7

#575EB7 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.1% C 0.138 H 277.1°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#575EB7
RGB	rgb(87, 94, 183)
HSL	hsl(236, 40%, 53%)
HSV	hsv(236, 52%, 72%)
CMYK	cmyk(52.5%, 48.6%, 0%, 28.2%)
CIE-LAB	lab(43.43, 22.62, -48.16)
CIE-LCH	lch(43.43, 53.21, 295.16°)
OKLab	oklab(52.11% 0.017 -0.1372)
OKLCH	oklch(52.11% 0.138 277.1)
XYZ	xyz(16.4777, 13.4495, 46.5183)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575EB7 #B7B057

analogous

#578EB7 #575EB7 #8057B7

triadic

#575EB7 #B7575E #5EB757

tetradic

#575EB7 #B7578E #B7B057 #57B780

square

#575EB7 #B7578E #B7B057 #57B780

split-complementary

#575EB7 #B78057 #8EB757

monochromatic

#2C3167 #3F4592 #575EB7 #8287C9 #ADB0DC

Accessibility & contrast

On white

5.69

#575EB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#575EB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575EB7

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575EB7	#FFFFFF	#000000	##FFFFFF
##575EB7	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356BBA

Deuteranopia (green-blind)

#2A63B5

Tritanopia (blue-blind)

#2D7182

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #575eb7;
/* rgb */ color: rgb(87, 94, 183);
/* oklch */ color: oklch(52.1% 0.138 277.1);

Tailwind

colors: {
  custom: {
    50: '#8d8bcd',
    500: '#575eb7',
    950: '#000000',
  },
}

SCSS

$custom: #575eb7;
$custom-light: #8d8bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#575eb7",
  "rgb": {
    "r": 87,
    "g": 94,
    "b": 183
  },
  "hsl": {
    "h": 235.625,
    "s": 40,
    "l": 52.941
  },
  "oklch": {
    "l": 0.52109,
    "c": 0.13825,
    "h": 277.1
  },
  "luminance": 0.13451
}

Semantic roles & 50–950 ramp

primary

#575EB7

secondary

#CAC7A0

accent

#C758D0

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #575EB7

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

Preview Lab → · Contrast checker → · Palette generator →