#575CB4#575CB4

#575CB4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.137 H 278.0°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#575CB4
RGB	rgb(87, 92, 180)
HSL	hsl(237, 38%, 52%)
HSV	hsv(237, 52%, 71%)
CMYK	cmyk(51.7%, 48.9%, 0%, 29.4%)
CIE-LAB	lab(42.73, 22.91, -47.54)
CIE-LCH	lch(42.73, 52.77, 295.73°)
OKLab	oklab(51.52% 0.019 -0.1354)
OKLCH	oklch(51.52% 0.137 278)
XYZ	xyz(15.9933, 12.9749, 44.8328)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575CB4 #B4AF57

analogous

#578BB4 #575CB4 #8057B4

triadic

#575CB4 #B4575C #5CB457

tetradic

#575CB4 #B4578B #B4AF57 #57B480

square

#575CB4 #B4578B #B4AF57 #57B480

split-complementary

#575CB4 #B48057 #8BB457

monochromatic

#2D3064 #40448E #575CB4 #8185C7 #ACAEDA

Accessibility & contrast

On white

5.84

#575CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#575CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575CB4

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575CB4	#FFFFFF	#000000	##FFFFFF
##575CB4	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3369B7

Deuteranopia (green-blind)

#2A61B2

Tritanopia (blue-blind)

#306F7F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575cb4;
/* rgb */ color: rgb(87, 92, 180);
/* oklch */ color: oklch(51.5% 0.137 278.0);

Tailwind

colors: {
  custom: {
    50: '#8d8acb',
    500: '#575cb4',
    950: '#000000',
  },
}

SCSS

$custom: #575cb4;
$custom-light: #8d8acb;
$custom-dark: #000000;

JSON

{
  "hex": "#575cb4",
  "rgb": {
    "r": 87,
    "g": 92,
    "b": 180
  },
  "hsl": {
    "h": 236.774,
    "s": 38.272,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51515,
    "c": 0.13672,
    "h": 278
  },
  "luminance": 0.12976
}

Semantic roles & 50–950 ramp

primary

#575CB4

secondary

#C8C59F

accent

#C85ACE

background

#F9F8FC

surface

#F1F0F8

border

#CBCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #575CB4

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

Preview Lab → · Contrast checker → · Palette generator →