#587AB1#587AB1

#587AB1 is a mid, moderate blue. Relative luminance 0.192; OKLCH L 57.8% C 0.094 H 259.7°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#587AB1
RGB	rgb(88, 122, 177)
HSL	hsl(217, 36%, 52%)
HSV	hsv(217, 50%, 69%)
CMYK	cmyk(50.3%, 31.1%, 0%, 30.6%)
CIE-LAB	lab(50.88, 3.64, -32.87)
CIE-LCH	lch(50.88, 33.07, 276.33°)
OKLab	oklab(57.75% -0.0168 -0.0923)
OKLCH	oklch(57.75% 0.094 259.7)
XYZ	xyz(18.9172, 19.1668, 44.2892)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587AB1 #B18F58

analogous

#58A7B1 #587AB1 #6358B1

triadic

#587AB1 #B1587A #7AB158

tetradic

#587AB1 #B158A7 #B18F58 #58B163

square

#587AB1 #B158A7 #B18F58 #58B163

split-complementary

#587AB1 #B16358 #A7B158

monochromatic

#2D4161 #415D8B #587AB1 #829BC4 #ABBCD8

Accessibility & contrast

On white

4.34

#587AB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#587AB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587AB1

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587AB1	#FFFFFF	#000000	##000000
##587AB1	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657EB3

Deuteranopia (green-blind)

#5A75B0

Tritanopia (blue-blind)

#2F868E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #587ab1;
/* rgb */ color: rgb(88, 122, 177);
/* oklch */ color: oklch(57.8% 0.094 259.7);

Tailwind

colors: {
  custom: {
    50: '#8ca0c8',
    500: '#587ab1',
    950: '#000000',
  },
}

SCSS

$custom: #587ab1;
$custom-light: #8ca0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#587ab1",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 177
  },
  "hsl": {
    "h": 217.079,
    "s": 36.327,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5775,
    "c": 0.09384,
    "h": 259.7
  },
  "luminance": 0.19168
}

Semantic roles & 50–950 ramp

primary

#587AB1

secondary

#C6B79F

accent

#A15BCC

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #587AB1

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

Preview Lab → · Contrast checker → · Palette generator →