#587DD3#587DD3

#587DD3 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.3% C 0.138 H 265.0°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#587DD3
RGB	rgb(88, 125, 211)
HSL	hsl(222, 58%, 59%)
HSV	hsv(222, 58%, 83%)
CMYK	cmyk(58.3%, 40.8%, 0%, 17.3%)
CIE-LAB	lab(53.43, 12.81, -48.29)
CIE-LCH	lch(53.43, 49.96, 284.86°)
OKLab	oklab(60.29% -0.012 -0.1373)
OKLCH	oklch(60.29% 0.138 265)
XYZ	xyz(23.1120, 21.4432, 64.5364)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DD3 #D3AE58

analogous

#58BAD3 #587DD3 #7058D3

triadic

#587DD3 #D3587D #7DD358

tetradic

#587DD3 #D358BA #D3AE58 #58D370

square

#587DD3 #D358BA #D3AE58 #58D370

split-complementary

#587DD3 #D37058 #BAD358

monochromatic

#25448C #325BBC #587DD3 #88A3E0 #B9C8ED

Accessibility & contrast

On white

3.97

#587DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#587DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DD3

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DD3	#FFFFFF	#000000	##000000
##587DD3	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5886D6

Deuteranopia (green-blind)

#477AD1

Tritanopia (blue-blind)

#00909E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #587dd3;
/* rgb */ color: rgb(88, 125, 211);
/* oklch */ color: oklch(60.3% 0.138 265.0);

Tailwind

colors: {
  custom: {
    50: '#91a2e1',
    500: '#587dd3',
    950: '#000000',
  },
}

SCSS

$custom: #587dd3;
$custom-light: #91a2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#587dd3",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 211
  },
  "hsl": {
    "h": 221.951,
    "s": 58.294,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60287,
    "c": 0.13778,
    "h": 265
  },
  "luminance": 0.21445
}

Semantic roles & 50–950 ramp

primary

#587DD3

secondary

#DCCDAB

accent

#B346E2

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #587DD3

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

Preview Lab → · Contrast checker → · Palette generator →