#587DC9#587DC9

#587DC9 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.7% C 0.124 H 263.5°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#587DC9
RGB	rgb(88, 125, 201)
HSL	hsl(220, 51%, 57%)
HSV	hsv(220, 56%, 79%)
CMYK	cmyk(56.2%, 37.8%, 0%, 21.2%)
CIE-LAB	lab(52.90, 9.52, -43.46)
CIE-LCH	lch(52.90, 44.49, 282.36°)
OKLab	oklab(59.71% -0.0141 -0.1231)
OKLCH	oklch(59.71% 0.124 263.5)
XYZ	xyz(21.8971, 20.9573, 58.1383)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DC9 #C9A458

analogous

#58B6C9 #587DC9 #6C58C9

triadic

#587DC9 #C9587D #7DC958

tetradic

#587DC9 #C958B6 #C9A458 #58C96C

square

#587DC9 #C958B6 #C9A458 #58C96C

split-complementary

#587DC9 #C96C58 #B6C958

monochromatic

#29457E #385EAC #587DC9 #86A1D8 #B4C5E7

Accessibility & contrast

On white

4.04

#587DC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#587DC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DC9

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DC9	#FFFFFF	#000000	##000000
##587DC9	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E84CC

Deuteranopia (green-blind)

#4F7AC7

Tritanopia (blue-blind)

#088E99

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587dc9;
/* rgb */ color: rgb(88, 125, 201);
/* oklch */ color: oklch(59.7% 0.124 263.5);

Tailwind

colors: {
  custom: {
    50: '#8fa2da',
    500: '#587dc9',
    950: '#000000',
  },
}

SCSS

$custom: #587dc9;
$custom-light: #8fa2da;
$custom-dark: #000000;

JSON

{
  "hex": "#587dc9",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 201
  },
  "hsl": {
    "h": 220.354,
    "s": 51.131,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59706,
    "c": 0.12392,
    "h": 263.5
  },
  "luminance": 0.20959
}

Semantic roles & 50–950 ramp

primary

#587DC9

secondary

#D6C6A7

accent

#AC4DDB

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #587DC9

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

Preview Lab → · Contrast checker → · Palette generator →