#575DB5#575DB5

#575DB5 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.137 H 277.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#575DB5
RGB	rgb(87, 93, 181)
HSL	hsl(236, 39%, 53%)
HSV	hsv(236, 52%, 71%)
CMYK	cmyk(51.9%, 48.6%, 0%, 29%)
CIE-LAB	lab(43.05, 22.60, -47.61)
CIE-LCH	lch(43.05, 52.70, 295.40°)
OKLab	oklab(51.78% 0.018 -0.1356)
OKLCH	oklch(51.78% 0.137 277.6)
XYZ	xyz(16.1827, 13.1902, 45.4003)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575DB5 #B5AF57

analogous

#578CB5 #575DB5 #8057B5

triadic

#575DB5 #B5575D #5DB557

tetradic

#575DB5 #B5578C #B5AF57 #57B580

square

#575DB5 #B5578C #B5AF57 #57B580

split-complementary

#575DB5 #B58057 #8CB557

monochromatic

#2D3065 #3F4490 #575DB5 #8186C8 #ACAFDA

Accessibility & contrast

On white

5.77

#575DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#575DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575DB5

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575DB5	#FFFFFF	#000000	##FFFFFF
##575DB5	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356AB8

Deuteranopia (green-blind)

#2B62B3

Tritanopia (blue-blind)

#2F7080

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575db5;
/* rgb */ color: rgb(87, 93, 181);
/* oklch */ color: oklch(51.8% 0.137 277.6);

Tailwind

colors: {
  custom: {
    50: '#8d8acc',
    500: '#575db5',
    950: '#000000',
  },
}

SCSS

$custom: #575db5;
$custom-light: #8d8acc;
$custom-dark: #000000;

JSON

{
  "hex": "#575db5",
  "rgb": {
    "r": 87,
    "g": 93,
    "b": 181
  },
  "hsl": {
    "h": 236.17,
    "s": 38.843,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51779,
    "c": 0.13677,
    "h": 277.6
  },
  "luminance": 0.13191
}

Semantic roles & 50–950 ramp

primary

#575DB5

secondary

#C8C69F

accent

#C759CF

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #575DB5

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

Preview Lab → · Contrast checker → · Palette generator →