#587FD3#587FD3

#587FD3 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.7% C 0.135 H 264.0°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#587FD3
RGB	rgb(88, 127, 211)
HSL	hsl(221, 58%, 59%)
HSV	hsv(221, 58%, 83%)
CMYK	cmyk(58.3%, 39.8%, 0%, 17.3%)
CIE-LAB	lab(53.98, 11.60, -47.42)
CIE-LCH	lch(53.98, 48.82, 283.74°)
OKLab	oklab(60.71% -0.0141 -0.1347)
OKLCH	oklch(60.71% 0.135 264)
XYZ	xyz(23.3677, 21.9547, 64.6216)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FD3 #D3AC58

analogous

#58BCD3 #587FD3 #6E58D3

triadic

#587FD3 #D3587F #7FD358

tetradic

#587FD3 #D358BC #D3AC58 #58D36E

square

#587FD3 #D358BC #D3AC58 #58D36E

split-complementary

#587FD3 #D36E58 #BCD358

monochromatic

#25458C #325EBC #587FD3 #88A4E0 #B9C9ED

Accessibility & contrast

On white

3.90

#587FD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#587FD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FD3

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FD3	#FFFFFF	#000000	##000000
##587FD3	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B87D6

Deuteranopia (green-blind)

#4B7CD1

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #587fd3;
/* rgb */ color: rgb(88, 127, 211);
/* oklch */ color: oklch(60.7% 0.135 264.0);

Tailwind

colors: {
  custom: {
    50: '#90a3e1',
    500: '#587fd3',
    950: '#000000',
  },
}

SCSS

$custom: #587fd3;
$custom-light: #90a3e1;
$custom-dark: #000000;

JSON

{
  "hex": "#587fd3",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 211
  },
  "hsl": {
    "h": 220.976,
    "s": 58.294,
    "l": 58.627
  },
  "oklch": {
    "l": 0.6071,
    "c": 0.13543,
    "h": 264
  },
  "luminance": 0.21957
}

Semantic roles & 50–950 ramp

primary

#587FD3

secondary

#DCCCAB

accent

#B046E2

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #587FD3

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

Preview Lab → · Contrast checker → · Palette generator →