#585CB3#585CB3

#585CB3 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.135 H 278.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#585CB3
RGB	rgb(88, 92, 179)
HSL	hsl(237, 37%, 52%)
HSV	hsv(237, 51%, 70%)
CMYK	cmyk(50.8%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(42.74, 22.82, -46.93)
CIE-LCH	lch(42.74, 52.18, 295.93°)
OKLab	oklab(51.52% 0.0201 -0.1336)
OKLCH	oklch(51.52% 0.135 278.5)
XYZ	xyz(15.9858, 12.9827, 44.3027)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#585CB3 #B3AF58

analogous

#5889B3 #585CB3 #8258B3

triadic

#585CB3 #B3585C #5CB358

tetradic

#585CB3 #B35889 #B3AF58 #58B382

square

#585CB3 #B35889 #B3AF58 #58B382

split-complementary

#585CB3 #B38258 #89B358

monochromatic

#2D3063 #40448D #585CB3 #8285C6 #ACAED9

Accessibility & contrast

On white

5.84

#585CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#585CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #585CB3

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##585CB3	#FFFFFF	#000000	##FFFFFF
##585CB3	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3569B6

Deuteranopia (green-blind)

#2C61B1

Tritanopia (blue-blind)

#336F7F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #585cb3;
/* rgb */ color: rgb(88, 92, 179);
/* oklch */ color: oklch(51.5% 0.135 278.5);

Tailwind

colors: {
  custom: {
    50: '#8d8aca',
    500: '#585cb3',
    950: '#000000',
  },
}

SCSS

$custom: #585cb3;
$custom-light: #8d8aca;
$custom-dark: #000000;

JSON

{
  "hex": "#585cb3",
  "rgb": {
    "r": 88,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 237.363,
    "s": 37.449,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51523,
    "c": 0.13508,
    "h": 278.5
  },
  "luminance": 0.12984
}

Semantic roles & 50–950 ramp

primary

#585CB3

secondary

#C7C5A0

accent

#C85ACD

background

#F9F8FC

surface

#F1F0F8

border

#CBCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #585CB3

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

Preview Lab → · Contrast checker → · Palette generator →