#587BB0#587BB0

#587BB0 is a mid, moderate blue. Relative luminance 0.194; OKLCH L 57.9% C 0.091 H 258.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#587BB0
RGB	rgb(88, 123, 176)
HSL	hsl(216, 36%, 52%)
HSV	hsv(216, 50%, 69%)
CMYK	cmyk(50%, 30.1%, 0%, 31%)
CIE-LAB	lab(51.12, 2.73, -31.92)
CIE-LCH	lch(51.12, 32.04, 274.90°)
OKLab	oklab(57.92% -0.0183 -0.0896)
OKLCH	oklch(57.92% 0.091 258.5)
XYZ	xyz(18.9413, 19.3739, 43.8073)
Luminance	0.1938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BB0 #B08D58

analogous

#58A7B0 #587BB0 #6158B0

triadic

#587BB0 #B0587B #7BB058

tetradic

#587BB0 #B058A7 #B08D58 #58B061

square

#587BB0 #B058A7 #B08D58 #58B061

split-complementary

#587BB0 #B06158 #A7B058

monochromatic

#2D4260 #415E8A #587BB0 #829CC4 #ABBDD7

Accessibility & contrast

On white

4.31

#587BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#587BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BB0

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BB0	#FFFFFF	#000000	##000000
##587BB0	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EB2

Deuteranopia (green-blind)

#5C76AF

Tritanopia (blue-blind)

#30878E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #587bb0;
/* rgb */ color: rgb(88, 123, 176);
/* oklch */ color: oklch(57.9% 0.091 258.5);

Tailwind

colors: {
  custom: {
    50: '#8ca1c8',
    500: '#587bb0',
    950: '#000000',
  },
}

SCSS

$custom: #587bb0;
$custom-light: #8ca1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#587bb0",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 176
  },
  "hsl": {
    "h": 216.136,
    "s": 35.772,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57923,
    "c": 0.09141,
    "h": 258.5
  },
  "luminance": 0.19375
}

Semantic roles & 50–950 ramp

primary

#587BB0

secondary

#C5B69F

accent

#9F5CCC

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #587BB0

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

Preview Lab → · Contrast checker → · Palette generator →