#587ACB#587ACB

#587ACB is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.2% C 0.130 H 265.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#587ACB
RGB	rgb(88, 122, 203)
HSL	hsl(222, 53%, 57%)
HSV	hsv(222, 57%, 80%)
CMYK	cmyk(56.7%, 39.9%, 0%, 20.4%)
CIE-LAB	lab(52.18, 12.00, -45.74)
CIE-LCH	lch(52.18, 47.29, 284.70°)
OKLab	oklab(59.18% -0.0103 -0.1298)
OKLCH	oklch(59.18% 0.13 265.4)
XYZ	xyz(21.7599, 20.3039, 59.2607)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587ACB #CBA958

analogous

#58B3CB #587ACB #7058CB

triadic

#587ACB #CB587A #7ACB58

tetradic

#587ACB #CB58B3 #CBA958 #58CB70

square

#587ACB #CB58B3 #CBA958 #58CB70

split-complementary

#587ACB #CB7058 #B3CB58

monochromatic

#284281 #375AAF #587ACB #879FDA #B5C4E8

Accessibility & contrast

On white

4.15

#587ACB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#587ACB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587ACB

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587ACB	#FFFFFF	#000000	##000000
##587ACB	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5882CE

Deuteranopia (green-blind)

#4978C9

Tritanopia (blue-blind)

#038C99

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587acb;
/* rgb */ color: rgb(88, 122, 203);
/* oklch */ color: oklch(59.2% 0.130 265.4);

Tailwind

colors: {
  custom: {
    50: '#8fa0db',
    500: '#587acb',
    950: '#000000',
  },
}

SCSS

$custom: #587acb;
$custom-light: #8fa0db;
$custom-dark: #000000;

JSON

{
  "hex": "#587acb",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 203
  },
  "hsl": {
    "h": 222.261,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.59181,
    "c": 0.13023,
    "h": 265.4
  },
  "luminance": 0.20306
}

Semantic roles & 50–950 ramp

primary

#587ACB

secondary

#D7C9A8

accent

#B14CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587ACB

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

Preview Lab → · Contrast checker → · Palette generator →