#575BB7#575BB7

#575BB7 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.5% C 0.142 H 278.3°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#575BB7
RGB	rgb(87, 91, 183)
HSL	hsl(238, 40%, 53%)
HSV	hsv(238, 52%, 72%)
CMYK	cmyk(52.5%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(42.65, 24.50, -49.41)
CIE-LCH	lch(42.65, 55.16, 296.38°)
OKLab	oklab(51.52% 0.0205 -0.1409)
OKLCH	oklch(51.52% 0.142 278.3)
XYZ	xyz(16.2161, 12.9263, 46.4311)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575BB7 #B7B357

analogous

#578BB7 #575BB7 #8357B7

triadic

#575BB7 #B7575B #5BB757

tetradic

#575BB7 #B7578B #B7B357 #57B783

square

#575BB7 #B7578B #B7B357 #57B783

split-complementary

#575BB7 #B78357 #8BB757

monochromatic

#2C2F67 #3F4292 #575BB7 #8285C9 #ADAFDC

Accessibility & contrast

On white

5.86

#575BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#575BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BB7

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575BB7	#FFFFFF	#000000	##FFFFFF
##575BB7	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E69BA

Deuteranopia (green-blind)

#2361B5

Tritanopia (blue-blind)

#2E6F80

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575bb7;
/* rgb */ color: rgb(87, 91, 183);
/* oklch */ color: oklch(51.5% 0.142 278.3);

Tailwind

colors: {
  custom: {
    50: '#8d89cd',
    500: '#575bb7',
    950: '#000000',
  },
}

SCSS

$custom: #575bb7;
$custom-light: #8d89cd;
$custom-dark: #000000;

JSON

{
  "hex": "#575bb7",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 237.5,
    "s": 40,
    "l": 52.941
  },
  "oklch": {
    "l": 0.5152,
    "c": 0.14239,
    "h": 278.3
  },
  "luminance": 0.12927
}

Semantic roles & 50–950 ramp

primary

#575BB7

secondary

#CAC8A0

accent

#CB58D0

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #575BB7

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

Preview Lab → · Contrast checker → · Palette generator →