#587BD9#587BD9

#587BD9 is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.2% C 0.148 H 266.6°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#587BD9
RGB	rgb(88, 123, 217)
HSL	hsl(224, 63%, 60%)
HSV	hsv(224, 59%, 85%)
CMYK	cmyk(59.4%, 43.3%, 0%, 14.9%)
CIE-LAB	lab(53.22, 16.02, -52.02)
CIE-LCH	lch(53.22, 54.43, 287.12°)
OKLab	oklab(60.23% -0.0088 -0.1482)
OKLCH	oklch(60.23% 0.148 266.6)
XYZ	xyz(23.6276, 21.2484, 68.4884)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BD9 #D9B658

analogous

#58BCD9 #587BD9 #7658D9

triadic

#587BD9 #D9587B #7BD958

tetradic

#587BD9 #D958BC #D9B658 #58D976

square

#587BD9 #D958BC #D9B658 #58D976

split-complementary

#587BD9 #D97658 #BCD958

monochromatic

#224195 #2D57C7 #587BD9 #8AA2E4 #BCCAF0

Accessibility & contrast

On white

4.00

#587BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#587BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BD9

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BD9	#FFFFFF	#000000	##000000
##587BD9	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5085DD

Deuteranopia (green-blind)

#3E7AD7

Tritanopia (blue-blind)

#00909F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #587bd9;
/* rgb */ color: rgb(88, 123, 217);
/* oklch */ color: oklch(60.2% 0.148 266.6);

Tailwind

colors: {
  custom: {
    50: '#91a0e5',
    500: '#587bd9',
    950: '#000000',
  },
}

SCSS

$custom: #587bd9;
$custom-light: #91a0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#587bd9",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 217
  },
  "hsl": {
    "h": 223.721,
    "s": 62.927,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60233,
    "c": 0.14847,
    "h": 266.6
  },
  "luminance": 0.2125
}

Semantic roles & 50–950 ramp

primary

#587BD9

secondary

#DFD2AD

accent

#B942E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #587BD9

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

Preview Lab → · Contrast checker → · Palette generator →