#587EB8#587EB8

#587EB8 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.0% C 0.099 H 258.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#587EB8
RGB	rgb(88, 126, 184)
HSL	hsl(216, 40%, 53%)
HSV	hsv(216, 52%, 72%)
CMYK	cmyk(52.2%, 31.5%, 0%, 27.8%)
CIE-LAB	lab(52.35, 3.45, -34.61)
CIE-LCH	lch(52.35, 34.78, 275.70°)
OKLab	oklab(59% -0.0196 -0.0973)
OKLCH	oklch(59% 0.099 258.6)
XYZ	xyz(20.1341, 20.4556, 48.2255)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587EB8 #B89258

analogous

#58AEB8 #587EB8 #6258B8

triadic

#587EB8 #B8587E #7EB858

tetradic

#587EB8 #B858AE #B89258 #58B862

square

#587EB8 #B858AE #B89258 #58B862

split-complementary

#587EB8 #B86258 #AEB858

monochromatic

#2D4569 #3F6194 #587EB8 #839FCA #AEC0DD

Accessibility & contrast

On white

4.12

#587EB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#587EB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587EB8

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587EB8	#FFFFFF	#000000	##000000
##587EB8	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6782BA

Deuteranopia (green-blind)

#5C79B7

Tritanopia (blue-blind)

#288B93

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587eb8;
/* rgb */ color: rgb(88, 126, 184);
/* oklch */ color: oklch(59.0% 0.099 258.6);

Tailwind

colors: {
  custom: {
    50: '#8da3cd',
    500: '#587eb8',
    950: '#000000',
  },
}

SCSS

$custom: #587eb8;
$custom-light: #8da3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#587eb8",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 184
  },
  "hsl": {
    "h": 216.25,
    "s": 40.336,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59002,
    "c": 0.0993,
    "h": 258.6
  },
  "luminance": 0.20457
}

Semantic roles & 50–950 ramp

primary

#587EB8

secondary

#CBBAA1

accent

#A058D0

background

#F9FAFC

surface

#F1F3F9

border

#CBCDD2

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #587EB8

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

Preview Lab → · Contrast checker → · Palette generator →