#587BF3#587BF3

#587BF3 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.9% C 0.184 H 268.4°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#587BF3
RGB	rgb(88, 123, 243)
HSL	hsl(226, 87%, 65%)
HSV	hsv(226, 64%, 95%)
CMYK	cmyk(63.8%, 49.4%, 0%, 4.7%)
CIE-LAB	lab(54.77, 24.76, -64.08)
CIE-LCH	lch(54.77, 68.70, 291.13°)
OKLab	oklab(61.92% -0.0052 -0.1837)
OKLCH	oklch(61.92% 0.184 268.4)
XYZ	xyz(27.2796, 22.7092, 87.7223)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BF3 #F3D058

analogous

#58C8F3 #587BF3 #8358F3

triadic

#587BF3 #F3587B #7BF358

tetradic

#587BF3 #F358C8 #F3D058 #58F383

square

#587BF3 #F358C8 #F3D058 #58F383

split-complementary

#587BF3 #F38358 #C8F358

monochromatic

#0E37C3 #1F4EEF #587BF3 #91A8F7 #CAD5FB

Accessibility & contrast

On white

3.79

#587BF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#587BF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BF3

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BF3	#FFFFFF	#000000	##000000
##587BF3	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#388AF7

Deuteranopia (green-blind)

#077CF1

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #587bf3;
/* rgb */ color: rgb(88, 123, 243);
/* oklch */ color: oklch(61.9% 0.184 268.4);

Tailwind

colors: {
  custom: {
    50: '#96a0f8',
    500: '#587bf3',
    950: '#000000',
  },
}

SCSS

$custom: #587bf3;
$custom-light: #96a0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#587bf3",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 243
  },
  "hsl": {
    "h": 226.452,
    "s": 86.592,
    "l": 64.902
  },
  "oklch": {
    "l": 0.61916,
    "c": 0.18374,
    "h": 268.4
  },
  "luminance": 0.22712
}

Semantic roles & 50–950 ramp

primary

#587BF3

secondary

#EEE2B9

accent

#B002E3

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #587BF3

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

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