#587CB2#587CB2

#587CB2 is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.2% C 0.093 H 258.3°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#587CB2
RGB	rgb(88, 124, 178)
HSL	hsl(216, 37%, 52%)
HSV	hsv(216, 51%, 70%)
CMYK	cmyk(50.6%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(51.50, 2.76, -32.48)
CIE-LCH	lch(51.50, 32.60, 274.86°)
OKLab	oklab(58.25% -0.0189 -0.0912)
OKLCH	oklch(58.25% 0.093 258.3)
XYZ	xyz(19.2653, 19.7030, 44.8987)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CB2 #B28E58

analogous

#58A9B2 #587CB2 #6158B2

triadic

#587CB2 #B2587C #7CB258

tetradic

#587CB2 #B258A9 #B28E58 #58B261

square

#587CB2 #B258A9 #B28E58 #58B261

split-complementary

#587CB2 #B26158 #A9B258

monochromatic

#2D4362 #415F8C #587CB2 #829DC5 #ACBED9

Accessibility & contrast

On white

4.25

#587CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#587CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CB2

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CB2	#FFFFFF	#000000	##000000
##587CB2	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677FB4

Deuteranopia (green-blind)

#5C77B1

Tritanopia (blue-blind)

#2E888F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587cb2;
/* rgb */ color: rgb(88, 124, 178);
/* oklch */ color: oklch(58.2% 0.093 258.3);

Tailwind

colors: {
  custom: {
    50: '#8ca1c9',
    500: '#587cb2',
    950: '#000000',
  },
}

SCSS

$custom: #587cb2;
$custom-light: #8ca1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#587cb2",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 216,
    "s": 36.885,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58248,
    "c": 0.09313,
    "h": 258.3
  },
  "luminance": 0.19704
}

Semantic roles & 50–950 ramp

primary

#587CB2

secondary

#C7B79F

accent

#9F5BCD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #587CB2

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

Preview Lab → · Contrast checker → · Palette generator →