#587AAA#587AAA

#587AAA is a mid, moderate blue. Relative luminance 0.189; OKLCH L 57.4% C 0.084 H 257.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#587AAA
RGB	rgb(88, 122, 170)
HSL	hsl(215, 33%, 51%)
HSV	hsv(215, 48%, 67%)
CMYK	cmyk(48.2%, 28.2%, 0%, 33.3%)
CIE-LAB	lab(50.56, 1.47, -29.32)
CIE-LCH	lch(50.56, 29.35, 272.88°)
OKLab	oklab(57.4% -0.0188 -0.082)
OKLCH	oklch(57.4% 0.084 257.1)
XYZ	xyz(18.2373, 18.8948, 40.7085)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587AAA #AA8858

analogous

#58A3AA #587AAA #5F58AA

triadic

#587AAA #AA587A #7AAA58

tetradic

#587AAA #AA58A3 #AA8858 #58AA5F

square

#587AAA #AA58A3 #AA8858 #58AA5F

split-complementary

#587AAA #AA5F58 #A3AA58

monochromatic

#2E405A #425D82 #587AAA #819ABF #A9BBD3

Accessibility & contrast

On white

4.39

#587AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#587AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587AAA

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587AAA	#FFFFFF	#000000	##000000
##587AAA	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687DAC

Deuteranopia (green-blind)

#5E75A9

Tritanopia (blue-blind)

#35858B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #587aaa;
/* rgb */ color: rgb(88, 122, 170);
/* oklch */ color: oklch(57.4% 0.084 257.1);

Tailwind

colors: {
  custom: {
    50: '#8ba0c3',
    500: '#587aaa',
    950: '#000000',
  },
}

SCSS

$custom: #587aaa;
$custom-light: #8ba0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#587aaa",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 170
  },
  "hsl": {
    "h": 215.122,
    "s": 32.54,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57397,
    "c": 0.08418,
    "h": 257.1
  },
  "luminance": 0.18896
}

Semantic roles & 50–950 ramp

primary

#587AAA

secondary

#C1B29D

accent

#9D5FC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #587AAA

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

Preview Lab → · Contrast checker → · Palette generator →