#575DB7#575DB7

#575DB7 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.9% C 0.140 H 277.5°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#575DB7
RGB	rgb(87, 93, 183)
HSL	hsl(236, 40%, 53%)
HSV	hsv(236, 52%, 72%)
CMYK	cmyk(52.5%, 49.2%, 0%, 28.2%)
CIE-LAB	lab(43.17, 23.25, -48.58)
CIE-LCH	lch(43.17, 53.86, 295.57°)
OKLab	oklab(51.91% 0.0182 -0.1384)
OKLCH	oklch(51.91% 0.14 277.5)
XYZ	xyz(16.3894, 13.2728, 46.4889)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575DB7 #B7B157

analogous

#578DB7 #575DB7 #8157B7

triadic

#575DB7 #B7575D #5DB757

tetradic

#575DB7 #B7578D #B7B157 #57B781

square

#575DB7 #B7578D #B7B157 #57B781

split-complementary

#575DB7 #B78157 #8DB757

monochromatic

#2C3067 #3F4492 #575DB7 #8286C9 #ADB0DC

Accessibility & contrast

On white

5.75

#575DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#575DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575DB7

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575DB7	#FFFFFF	#000000	##FFFFFF
##575DB7	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336ABA

Deuteranopia (green-blind)

#2862B5

Tritanopia (blue-blind)

#2D7181

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575db7;
/* rgb */ color: rgb(87, 93, 183);
/* oklch */ color: oklch(51.9% 0.140 277.5);

Tailwind

colors: {
  custom: {
    50: '#8d8acd',
    500: '#575db7',
    950: '#000000',
  },
}

SCSS

$custom: #575db7;
$custom-light: #8d8acd;
$custom-dark: #000000;

JSON

{
  "hex": "#575db7",
  "rgb": {
    "r": 87,
    "g": 93,
    "b": 183
  },
  "hsl": {
    "h": 236.25,
    "s": 40,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51912,
    "c": 0.13963,
    "h": 277.5
  },
  "luminance": 0.13274
}

Semantic roles & 50–950 ramp

primary

#575DB7

secondary

#CAC7A0

accent

#C858D0

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #575DB7

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

Preview Lab → · Contrast checker → · Palette generator →