#587DDD#587DDD

#587DDD is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.152 H 266.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#587DDD
RGB	rgb(88, 125, 221)
HSL	hsl(223, 66%, 61%)
HSV	hsv(223, 60%, 87%)
CMYK	cmyk(60.2%, 43.4%, 0%, 13.3%)
CIE-LAB	lab(53.98, 16.14, -53.05)
CIE-LCH	lch(53.98, 55.45, 286.92°)
OKLab	oklab(60.89% -0.0101 -0.1512)
OKLCH	oklch(60.89% 0.152 266.2)
XYZ	xyz(24.4048, 21.9603, 71.3453)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DDD #DDB858

analogous

#58C0DD #587DDD #7558DD

triadic

#587DDD #DD587D #7DDD58

tetradic

#587DDD #DD58C0 #DDB858 #58DD75

square

#587DDD #DD58C0 #DDB858 #58DD75

split-complementary

#587DDD #DD7558 #C0DD58

monochromatic

#20429B #2A58CE #587DDD #8BA5E7 #BECCF2

Accessibility & contrast

On white

3.89

#587DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#587DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DDD

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DDD	#FFFFFF	#000000	##000000
##587DDD	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5187E1

Deuteranopia (green-blind)

#3E7BDB

Tritanopia (blue-blind)

#0093A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #587ddd;
/* rgb */ color: rgb(88, 125, 221);
/* oklch */ color: oklch(60.9% 0.152 266.2);

Tailwind

colors: {
  custom: {
    50: '#92a2e8',
    500: '#587ddd',
    950: '#000000',
  },
}

SCSS

$custom: #587ddd;
$custom-light: #92a2e8;
$custom-dark: #000000;

JSON

{
  "hex": "#587ddd",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 221
  },
  "hsl": {
    "h": 223.308,
    "s": 66.169,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60893,
    "c": 0.15155,
    "h": 266.2
  },
  "luminance": 0.21962
}

Semantic roles & 50–950 ramp

primary

#587DDD

secondary

#E2D4AF

accent

#9B17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #587DDD

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

Preview Lab → · Contrast checker → · Palette generator →