#587FC9#587FC9

#587FC9 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.1% C 0.122 H 262.3°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#587FC9
RGB	rgb(88, 127, 201)
HSL	hsl(219, 51%, 57%)
HSV	hsv(219, 56%, 79%)
CMYK	cmyk(56.2%, 36.8%, 0%, 21.2%)
CIE-LAB	lab(53.46, 8.31, -42.58)
CIE-LCH	lch(53.46, 43.38, 281.05°)
OKLab	oklab(60.14% -0.0164 -0.1205)
OKLCH	oklch(60.14% 0.122 262.3)
XYZ	xyz(22.1529, 21.4687, 58.2235)
Luminance	0.2147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FC9 #C9A258

analogous

#58B8C9 #587FC9 #6A58C9

triadic

#587FC9 #C9587F #7FC958

tetradic

#587FC9 #C958B8 #C9A258 #58C96A

square

#587FC9 #C958B8 #C9A258 #58C96A

split-complementary

#587FC9 #C96A58 #B8C958

monochromatic

#29467E #3860AC #587FC9 #86A2D8 #B4C6E7

Accessibility & contrast

On white

3.97

#587FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#587FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FC9

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FC9	#FFFFFF	#000000	##000000
##587FC9	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6185CC

Deuteranopia (green-blind)

#527BC7

Tritanopia (blue-blind)

#068F9A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #587fc9;
/* rgb */ color: rgb(88, 127, 201);
/* oklch */ color: oklch(60.1% 0.122 262.3);

Tailwind

colors: {
  custom: {
    50: '#8fa3da',
    500: '#587fc9',
    950: '#000000',
  },
}

SCSS

$custom: #587fc9;
$custom-light: #8fa3da;
$custom-dark: #000000;

JSON

{
  "hex": "#587fc9",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 201
  },
  "hsl": {
    "h": 219.292,
    "s": 51.131,
    "l": 56.667
  },
  "oklch": {
    "l": 0.60137,
    "c": 0.12163,
    "h": 262.3
  },
  "luminance": 0.2147
}

Semantic roles & 50–950 ramp

primary

#587FC9

secondary

#D6C6A7

accent

#AA4DDB

background

#F9FAFD

surface

#F1F3FA

border

#CBCDD3

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #587FC9

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

Preview Lab → · Contrast checker → · Palette generator →