#587EE9#587EE9

#587EE9 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.9% C 0.167 H 266.8°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#587EE9
RGB	rgb(88, 126, 233)
HSL	hsl(224, 77%, 63%)
HSV	hsv(224, 62%, 91%)
CMYK	cmyk(62.2%, 45.9%, 0%, 8.6%)
CIE-LAB	lab(54.95, 19.56, -58.23)
CIE-LCH	lch(54.95, 61.43, 288.56°)
OKLab	oklab(61.85% -0.0093 -0.1664)
OKLCH	oklch(61.85% 0.167 266.8)
XYZ	xyz(26.1883, 22.8773, 80.1107)
Luminance	0.2288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587EE9 #E9C358

analogous

#58C6E9 #587EE9 #7A58E9

triadic

#587EE9 #E9587E #7EE958

tetradic

#587EE9 #E958C6 #E9C358 #58E97A

square

#587EE9 #E958C6 #E9C358 #58E97A

split-complementary

#587EE9 #E97A58 #C6E958

monochromatic

#173FAF #2254E2 #587EE9 #8EA8F0 #C4D2F7

Accessibility & contrast

On white

3.77

#587EE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#587EE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587EE9

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587EE9	#FFFFFF	#000000	##000000
##587EE9	1.00	3.77	5.58	5.58
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#498AED

Deuteranopia (green-blind)

#307DE7

Tritanopia (blue-blind)

#0096A8

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #587ee9;
/* rgb */ color: rgb(88, 126, 233);
/* oklch */ color: oklch(61.9% 0.167 266.8);

Tailwind

colors: {
  custom: {
    50: '#94a2f1',
    500: '#587ee9',
    950: '#000000',
  },
}

SCSS

$custom: #587ee9;
$custom-light: #94a2f1;
$custom-dark: #000000;

JSON

{
  "hex": "#587ee9",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 233
  },
  "hsl": {
    "h": 224.276,
    "s": 76.72,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61853,
    "c": 0.16669,
    "h": 266.8
  },
  "luminance": 0.2288
}

Semantic roles & 50–950 ramp

primary

#587EE9

secondary

#E8DBB4

accent

#A30DD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #587EE9

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

Preview Lab → · Contrast checker → · Palette generator →