#575CB7#575CB7

#575CB7 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.7% C 0.141 H 277.9°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#575CB7
RGB	rgb(87, 92, 183)
HSL	hsl(237, 40%, 53%)
HSV	hsv(237, 52%, 72%)
CMYK	cmyk(52.5%, 49.7%, 0%, 28.2%)
CIE-LAB	lab(42.91, 23.88, -49.00)
CIE-LCH	lch(42.91, 54.51, 295.98°)
OKLab	oklab(51.72% 0.0193 -0.1397)
OKLCH	oklch(51.72% 0.141 277.9)
XYZ	xyz(16.3022, 13.0984, 46.4598)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575CB7 #B7B257

analogous

#578CB7 #575CB7 #8257B7

triadic

#575CB7 #B7575C #5CB757

tetradic

#575CB7 #B7578C #B7B257 #57B782

square

#575CB7 #B7578C #B7B257 #57B782

split-complementary

#575CB7 #B78257 #8CB757

monochromatic

#2C2F67 #3F4392 #575CB7 #8286C9 #ADAFDC

Accessibility & contrast

On white

5.80

#575CB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#575CB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575CB7

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575CB7	#FFFFFF	#000000	##FFFFFF
##575CB7	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3169BA

Deuteranopia (green-blind)

#2662B5

Tritanopia (blue-blind)

#2E7081

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575cb7;
/* rgb */ color: rgb(87, 92, 183);
/* oklch */ color: oklch(51.7% 0.141 277.9);

Tailwind

colors: {
  custom: {
    50: '#8d8acd',
    500: '#575cb7',
    950: '#000000',
  },
}

SCSS

$custom: #575cb7;
$custom-light: #8d8acd;
$custom-dark: #000000;

JSON

{
  "hex": "#575cb7",
  "rgb": {
    "r": 87,
    "g": 92,
    "b": 183
  },
  "hsl": {
    "h": 236.875,
    "s": 40,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51715,
    "c": 0.14101,
    "h": 277.9
  },
  "luminance": 0.13099
}

Semantic roles & 50–950 ramp

primary

#575CB7

secondary

#CAC7A0

accent

#CA58D0

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #575CB7

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

Preview Lab → · Contrast checker → · Palette generator →