#575DB4#575DB4

#575DB4 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.7% C 0.135 H 277.6°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#575DB4
RGB	rgb(87, 93, 180)
HSL	hsl(236, 38%, 52%)
HSV	hsv(236, 52%, 71%)
CMYK	cmyk(51.7%, 48.3%, 0%, 29.4%)
CIE-LAB	lab(42.99, 22.28, -47.12)
CIE-LCH	lch(42.99, 52.12, 295.31°)
OKLab	oklab(51.71% 0.0179 -0.1341)
OKLCH	oklch(51.71% 0.135 277.6)
XYZ	xyz(16.0805, 13.1493, 44.8619)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575DB4 #B4AE57

analogous

#578CB4 #575DB4 #8057B4

triadic

#575DB4 #B4575D #5DB457

tetradic

#575DB4 #B4578C #B4AE57 #57B480

square

#575DB4 #B4578C #B4AE57 #57B480

split-complementary

#575DB4 #B48057 #8CB457

monochromatic

#2D3064 #40458E #575DB4 #8186C7 #ACAFDA

Accessibility & contrast

On white

5.79

#575DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#575DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575DB4

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575DB4	#FFFFFF	#000000	##FFFFFF
##575DB4	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B7

Deuteranopia (green-blind)

#2C62B2

Tritanopia (blue-blind)

#307080

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575db4;
/* rgb */ color: rgb(87, 93, 180);
/* oklch */ color: oklch(51.7% 0.135 277.6);

Tailwind

colors: {
  custom: {
    50: '#8d8acb',
    500: '#575db4',
    950: '#000000',
  },
}

SCSS

$custom: #575db4;
$custom-light: #8d8acb;
$custom-dark: #000000;

JSON

{
  "hex": "#575db4",
  "rgb": {
    "r": 87,
    "g": 93,
    "b": 180
  },
  "hsl": {
    "h": 236.129,
    "s": 38.272,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51713,
    "c": 0.13533,
    "h": 277.6
  },
  "luminance": 0.1315
}

Semantic roles & 50–950 ramp

primary

#575DB4

secondary

#C8C59F

accent

#C75ACE

background

#F9F8FC

surface

#F1F0F8

border

#CBCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #575DB4

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

Preview Lab → · Contrast checker → · Palette generator →