#587BC7#587BC7

#587BC7 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.2% C 0.123 H 264.3°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#587BC7
RGB	rgb(88, 123, 199)
HSL	hsl(221, 50%, 56%)
HSV	hsv(221, 56%, 78%)
CMYK	cmyk(55.8%, 38.2%, 0%, 22%)
CIE-LAB	lab(52.24, 10.08, -43.36)
CIE-LCH	lch(52.24, 44.52, 283.09°)
OKLab	oklab(59.16% -0.0123 -0.1228)
OKLCH	oklch(59.16% 0.123 264.3)
XYZ	xyz(21.4128, 20.3625, 56.8237)
Luminance	0.2036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BC7 #C7A458

analogous

#58B3C7 #587BC7 #6D58C7

triadic

#587BC7 #C7587B #7BC758

tetradic

#587BC7 #C758B3 #C7A458 #58C76D

square

#587BC7 #C758B3 #C7A458 #58C76D

split-complementary

#587BC7 #C76D58 #B3C758

monochromatic

#29437B #395CA9 #587BC7 #869FD6 #B4C3E6

Accessibility & contrast

On white

4.14

#587BC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#587BC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BC7

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BC7	#FFFFFF	#000000	##000000
##587BC7	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C82CA

Deuteranopia (green-blind)

#4E78C5

Tritanopia (blue-blind)

#108C97

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587bc7;
/* rgb */ color: rgb(88, 123, 199);
/* oklch */ color: oklch(59.2% 0.123 264.3);

Tailwind

colors: {
  custom: {
    50: '#8fa0d8',
    500: '#587bc7',
    950: '#000000',
  },
}

SCSS

$custom: #587bc7;
$custom-light: #8fa0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#587bc7",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 199
  },
  "hsl": {
    "h": 221.081,
    "s": 49.776,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59163,
    "c": 0.12346,
    "h": 264.3
  },
  "luminance": 0.20364
}

Semantic roles & 50–950 ramp

primary

#587BC7

secondary

#D4C6A7

accent

#AE4FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #587BC7

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

Preview Lab → · Contrast checker → · Palette generator →