#587FE4#587FE4

#587FE4 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.7% C 0.159 H 266.0°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#587FE4
RGB	rgb(88, 127, 228)
HSL	hsl(223, 72%, 62%)
HSV	hsv(223, 61%, 89%)
CMYK	cmyk(61.4%, 44.3%, 0%, 10.6%)
CIE-LAB	lab(54.92, 17.26, -55.48)
CIE-LCH	lch(54.92, 58.10, 287.29°)
OKLab	oklab(61.74% -0.011 -0.1583)
OKLCH	oklch(61.74% 0.159 266)
XYZ	xyz(25.6127, 22.8526, 76.4450)
Luminance	0.2286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FE4 #E4BD58

analogous

#58C5E4 #587FE4 #7758E4

triadic

#587FE4 #E4587F #7FE458

tetradic

#587FE4 #E458C5 #E4BD58 #58E477

square

#587FE4 #E458C5 #E4BD58 #58E477

split-complementary

#587FE4 #E47758 #C5E458

monochromatic

#1B42A7 #2357DB #587FE4 #8DA7ED #C1D0F5

Accessibility & contrast

On white

3.77

#587FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#587FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FE4

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FE4	#FFFFFF	#000000	##000000
##587FE4	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508AE8

Deuteranopia (green-blind)

#3A7DE2

Tritanopia (blue-blind)

#0096A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #587fe4;
/* rgb */ color: rgb(88, 127, 228);
/* oklch */ color: oklch(61.7% 0.159 266.0);

Tailwind

colors: {
  custom: {
    50: '#93a3ed',
    500: '#587fe4',
    950: '#000000',
  },
}

SCSS

$custom: #587fe4;
$custom-light: #93a3ed;
$custom-dark: #000000;

JSON

{
  "hex": "#587fe4",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 228
  },
  "hsl": {
    "h": 223.286,
    "s": 72.165,
    "l": 61.961
  },
  "oklch": {
    "l": 0.6174,
    "c": 0.15871,
    "h": 266
  },
  "luminance": 0.22855
}

Semantic roles & 50–950 ramp

primary

#587FE4

secondary

#E6D7B2

accent

#9E11D4

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #587FE4

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

Preview Lab → · Contrast checker → · Palette generator →