#587AC9#587AC9

#587AC9 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.1% C 0.127 H 265.2°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#587AC9
RGB	rgb(88, 122, 201)
HSL	hsl(222, 51%, 57%)
HSV	hsv(222, 56%, 79%)
CMYK	cmyk(56.2%, 39.3%, 0%, 21.2%)
CIE-LAB	lab(52.07, 11.34, -44.77)
CIE-LCH	lch(52.07, 46.19, 284.22°)
OKLab	oklab(59.07% -0.0108 -0.127)
OKLCH	oklch(59.07% 0.127 265.2)
XYZ	xyz(21.5231, 20.2091, 58.0136)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587AC9 #C9A758

analogous

#58B3C9 #587AC9 #6F58C9

triadic

#587AC9 #C9587A #7AC958

tetradic

#587AC9 #C958B3 #C9A758 #58C96F

square

#587AC9 #C958B3 #C9A758 #58C96F

split-complementary

#587AC9 #C96F58 #B3C958

monochromatic

#29427E #385BAC #587AC9 #869FD8 #B4C4E7

Accessibility & contrast

On white

4.16

#587AC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#587AC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587AC9

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587AC9	#FFFFFF	#000000	##000000
##587AC9	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5982CC

Deuteranopia (green-blind)

#4B77C7

Tritanopia (blue-blind)

#0A8B98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587ac9;
/* rgb */ color: rgb(88, 122, 201);
/* oklch */ color: oklch(59.1% 0.127 265.2);

Tailwind

colors: {
  custom: {
    50: '#8fa0da',
    500: '#587ac9',
    950: '#000000',
  },
}

SCSS

$custom: #587ac9;
$custom-light: #8fa0da;
$custom-dark: #000000;

JSON

{
  "hex": "#587ac9",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 201
  },
  "hsl": {
    "h": 221.947,
    "s": 51.131,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59065,
    "c": 0.12744,
    "h": 265.2
  },
  "luminance": 0.20211
}

Semantic roles & 50–950 ramp

primary

#587AC9

secondary

#D6C8A7

accent

#B04DDB

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587AC9

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

Preview Lab → · Contrast checker → · Palette generator →