#575DB1#575DB1

#575DB1 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.131 H 277.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#575DB1
RGB	rgb(87, 93, 177)
HSL	hsl(236, 37%, 52%)
HSV	hsv(236, 51%, 69%)
CMYK	cmyk(50.8%, 47.5%, 0%, 30.6%)
CIE-LAB	lab(42.81, 21.32, -45.65)
CIE-LCH	lch(42.81, 50.39, 295.04°)
OKLab	oklab(51.52% 0.0175 -0.1298)
OKLCH	oklch(51.52% 0.131 277.7)
XYZ	xyz(15.7782, 13.0283, 43.2698)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575DB1 #B1AB57

analogous

#578AB1 #575DB1 #7E57B1

triadic

#575DB1 #B1575D #5DB157

tetradic

#575DB1 #B1578A #B1AB57 #57B17E

square

#575DB1 #B1578A #B1AB57 #57B17E

split-complementary

#575DB1 #B17E57 #8AB157

monochromatic

#2D3061 #40458A #575DB1 #8185C4 #ABAED8

Accessibility & contrast

On white

5.82

#575DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#575DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575DB1

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575DB1	#FFFFFF	#000000	##FFFFFF
##575DB1	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3869B4

Deuteranopia (green-blind)

#3062AF

Tritanopia (blue-blind)

#336F7E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #575db1;
/* rgb */ color: rgb(87, 93, 177);
/* oklch */ color: oklch(51.5% 0.131 277.7);

Tailwind

colors: {
  custom: {
    50: '#8c8ac9',
    500: '#575db1',
    950: '#000000',
  },
}

SCSS

$custom: #575db1;
$custom-light: #8c8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#575db1",
  "rgb": {
    "r": 87,
    "g": 93,
    "b": 177
  },
  "hsl": {
    "h": 236,
    "s": 36.585,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51517,
    "c": 0.13101,
    "h": 277.7
  },
  "luminance": 0.13029
}

Semantic roles & 50–950 ramp

primary

#575DB1

secondary

#C6C39E

accent

#C55BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0B13

muted

#7D7C82

Preview Lab

Preview with #575DB1

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

Preview Lab → · Contrast checker → · Palette generator →