#587FE3#587FE3

#587FE3 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.7% C 0.157 H 265.9°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#587FE3
RGB	rgb(88, 127, 227)
HSL	hsl(223, 71%, 62%)
HSV	hsv(223, 61%, 89%)
CMYK	cmyk(61.2%, 44.1%, 0%, 11%)
CIE-LAB	lab(54.86, 16.93, -55.01)
CIE-LCH	lch(54.86, 57.56, 287.10°)
OKLab	oklab(61.68% -0.0112 -0.1569)
OKLCH	oklch(61.68% 0.157 265.9)
XYZ	xyz(25.4742, 22.7973, 75.7160)
Luminance	0.2280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FE3 #E3BC58

analogous

#58C5E3 #587FE3 #7658E3

triadic

#587FE3 #E3587F #7FE358

tetradic

#587FE3 #E358C5 #E3BC58 #58E376

square

#587FE3 #E358C5 #E3BC58 #58E376

split-complementary

#587FE3 #E37658 #C5E358

monochromatic

#1C42A5 #2457D9 #587FE3 #8CA7EC #C1CFF5

Accessibility & contrast

On white

3.78

#587FE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#587FE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FE3

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FE3	#FFFFFF	#000000	##000000
##587FE3	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508AE7

Deuteranopia (green-blind)

#3B7DE1

Tritanopia (blue-blind)

#0096A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #587fe3;
/* rgb */ color: rgb(88, 127, 227);
/* oklch */ color: oklch(61.7% 0.157 265.9);

Tailwind

colors: {
  custom: {
    50: '#93a3ec',
    500: '#587fe3',
    950: '#000000',
  },
}

SCSS

$custom: #587fe3;
$custom-light: #93a3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#587fe3",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 227
  },
  "hsl": {
    "h": 223.165,
    "s": 71.282,
    "l": 61.765
  },
  "oklch": {
    "l": 0.61677,
    "c": 0.15735,
    "h": 265.9
  },
  "luminance": 0.228
}

Semantic roles & 50–950 ramp

primary

#587FE3

secondary

#E5D7B2

accent

#9D12D3

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #587FE3

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

Preview Lab → · Contrast checker → · Palette generator →