#587BB2#587BB2

#587BB2 is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.0% C 0.094 H 259.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#587BB2
RGB	rgb(88, 123, 178)
HSL	hsl(217, 37%, 52%)
HSV	hsv(217, 51%, 70%)
CMYK	cmyk(50.6%, 30.9%, 0%, 30.2%)
CIE-LAB	lab(51.21, 3.36, -32.93)
CIE-LCH	lch(51.21, 33.10, 275.82°)
OKLab	oklab(58.03% -0.0177 -0.0925)
OKLCH	oklch(58.03% 0.094 259.2)
XYZ	xyz(19.1406, 19.4536, 44.8572)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BB2 #B28F58

analogous

#58A8B2 #587BB2 #6258B2

triadic

#587BB2 #B2587B #7BB258

tetradic

#587BB2 #B258A8 #B28F58 #58B262

square

#587BB2 #B258A8 #B28F58 #58B262

split-complementary

#587BB2 #B26258 #A8B258

monochromatic

#2D4262 #415E8C #587BB2 #829CC5 #ACBDD9

Accessibility & contrast

On white

4.29

#587BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#587BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BB2

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BB2	#FFFFFF	#000000	##000000
##587BB2	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB4

Deuteranopia (green-blind)

#5B76B1

Tritanopia (blue-blind)

#2E878F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #587bb2;
/* rgb */ color: rgb(88, 123, 178);
/* oklch */ color: oklch(58.0% 0.094 259.2);

Tailwind

colors: {
  custom: {
    50: '#8ca0c9',
    500: '#587bb2',
    950: '#000000',
  },
}

SCSS

$custom: #587bb2;
$custom-light: #8ca0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#587bb2",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 178
  },
  "hsl": {
    "h": 216.667,
    "s": 36.885,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58025,
    "c": 0.09417,
    "h": 259.2
  },
  "luminance": 0.19455
}

Semantic roles & 50–950 ramp

primary

#587BB2

secondary

#C7B79F

accent

#A15BCD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #587BB2

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

Preview Lab → · Contrast checker → · Palette generator →