#575EB5#575EB5

#575EB5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.135 H 277.1°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#575EB5
RGB	rgb(87, 94, 181)
HSL	hsl(236, 39%, 53%)
HSV	hsv(236, 52%, 71%)
CMYK	cmyk(51.9%, 48.1%, 0%, 29%)
CIE-LAB	lab(43.31, 21.98, -47.19)
CIE-LCH	lch(43.31, 52.05, 294.97°)
OKLab	oklab(51.98% 0.0168 -0.1343)
OKLCH	oklch(51.98% 0.135 277.1)
XYZ	xyz(16.2711, 13.3668, 45.4298)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575EB5 #B5AE57

analogous

#578DB5 #575EB5 #7F57B5

triadic

#575EB5 #B5575E #5EB557

tetradic

#575EB5 #B5578D #B5AE57 #57B57F

square

#575EB5 #B5578D #B5AE57 #57B57F

split-complementary

#575EB5 #B57F57 #8DB557

monochromatic

#2D3165 #3F4590 #575EB5 #8187C8 #ACAFDA

Accessibility & contrast

On white

5.72

#575EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#575EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575EB5

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575EB5	#FFFFFF	#000000	##FFFFFF
##575EB5	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376AB8

Deuteranopia (green-blind)

#2D63B3

Tritanopia (blue-blind)

#2F7181

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575eb5;
/* rgb */ color: rgb(87, 94, 181);
/* oklch */ color: oklch(52.0% 0.135 277.1);

Tailwind

colors: {
  custom: {
    50: '#8d8bcc',
    500: '#575eb5',
    950: '#000000',
  },
}

SCSS

$custom: #575eb5;
$custom-light: #8d8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#575eb5",
  "rgb": {
    "r": 87,
    "g": 94,
    "b": 181
  },
  "hsl": {
    "h": 235.532,
    "s": 38.843,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51978,
    "c": 0.13539,
    "h": 277.1
  },
  "luminance": 0.13368
}

Semantic roles & 50–950 ramp

primary

#575EB5

secondary

#C8C59F

accent

#C659CF

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #575EB5

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

Preview Lab → · Contrast checker → · Palette generator →