#585FCB#585FCB

#585FCB is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.7% C 0.165 H 276.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#585FCB
RGB	rgb(88, 95, 203)
HSL	hsl(236, 53%, 57%)
HSV	hsv(236, 57%, 80%)
CMYK	cmyk(56.7%, 53.2%, 0%, 20.4%)
CIE-LAB	lab(45.04, 28.70, -57.17)
CIE-LCH	lch(45.04, 63.97, 296.66°)
OKLab	oklab(53.75% 0.0188 -0.1637)
OKLCH	oklch(53.75% 0.165 276.5)
XYZ	xyz(18.8927, 14.5696, 58.3050)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#585FCB #CBC458

analogous

#5899CB #585FCB #8B58CB

triadic

#585FCB #CB585F #5FCB58

tetradic

#585FCB #CB5899 #CBC458 #58CB8B

square

#585FCB #CB5899 #CBC458 #58CB8B

split-complementary

#585FCB #CB8B58 #99CB58

monochromatic

#282D81 #373EAF #585FCB #878CDA #B5B8E8

Accessibility & contrast

On white

5.37

#585FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#585FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #585FCB

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##585FCB	#FFFFFF	#000000	##FFFFFF
##585FCB	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6FCF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#14788C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #585fcb;
/* rgb */ color: rgb(88, 95, 203);
/* oklch */ color: oklch(53.7% 0.165 276.5);

Tailwind

colors: {
  custom: {
    50: '#918cdb',
    500: '#585fcb',
    950: '#000000',
  },
}

SCSS

$custom: #585fcb;
$custom-light: #918cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#585fcb",
  "rgb": {
    "r": 88,
    "g": 95,
    "b": 203
  },
  "hsl": {
    "h": 236.348,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53747,
    "c": 0.16473,
    "h": 276.5
  },
  "luminance": 0.14571
}

Semantic roles & 50–950 ramp

primary

#585FCB

secondary

#D7D4A8

accent

#D34CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #585FCB

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

Preview Lab → · Contrast checker → · Palette generator →