#587FDF#587FDF

#587FDF is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.4% C 0.152 H 265.5°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#587FDF
RGB	rgb(88, 127, 223)
HSL	hsl(223, 68%, 61%)
HSV	hsv(223, 61%, 87%)
CMYK	cmyk(60.5%, 43%, 0%, 12.5%)
CIE-LAB	lab(54.64, 15.59, -53.13)
CIE-LCH	lch(54.64, 55.37, 286.35°)
OKLab	oklab(61.43% -0.0119 -0.1514)
OKLCH	oklch(61.43% 0.152 265.5)
XYZ	xyz(24.9286, 22.5790, 72.8422)
Luminance	0.2258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FDF #DFB858

analogous

#58C2DF #587FDF #7458DF

triadic

#587FDF #DF587F #7FDF58

tetradic

#587FDF #DF58C2 #DFB858 #58DF74

square

#587FDF #DF58C2 #DFB858 #58DF74

split-complementary

#587FDF #DF7458 #C2DF58

monochromatic

#1E439E #2859D2 #587FDF #8BA6E9 #BFCEF3

Accessibility & contrast

On white

3.81

#587FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#587FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FDF

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FDF	#FFFFFF	#000000	##000000
##587FDF	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5389E3

Deuteranopia (green-blind)

#3F7DDD

Tritanopia (blue-blind)

#0095A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #587fdf;
/* rgb */ color: rgb(88, 127, 223);
/* oklch */ color: oklch(61.4% 0.152 265.5);

Tailwind

colors: {
  custom: {
    50: '#92a3e9',
    500: '#587fdf',
    950: '#000000',
  },
}

SCSS

$custom: #587fdf;
$custom-light: #92a3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#587fdf",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 223
  },
  "hsl": {
    "h": 222.667,
    "s": 67.839,
    "l": 60.98
  },
  "oklch": {
    "l": 0.61429,
    "c": 0.15189,
    "h": 265.5
  },
  "luminance": 0.22581
}

Semantic roles & 50–950 ramp

primary

#587FDF

secondary

#E3D4B0

accent

#9A16D0

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #587FDF

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

Preview Lab → · Contrast checker → · Palette generator →