#587CB9#587CB9

#587CB9 is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.6% C 0.103 H 260.5°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#587CB9
RGB	rgb(88, 124, 185)
HSL	hsl(218, 41%, 54%)
HSV	hsv(218, 52%, 73%)
CMYK	cmyk(52.4%, 33%, 0%, 27.5%)
CIE-LAB	lab(51.83, 4.97, -36.00)
CIE-LCH	lch(51.83, 36.34, 277.86°)
OKLab	oklab(58.61% -0.0169 -0.1014)
OKLCH	oklch(58.61% 0.103 260.5)
XYZ	xyz(19.9861, 19.9913, 48.6951)
Luminance	0.1999 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CB9 #B99558

analogous

#58ACB9 #587CB9 #6458B9

triadic

#587CB9 #B9587C #7CB958

tetradic

#587CB9 #B958AC #B99558 #58B964

square

#587CB9 #B958AC #B99558 #58B964

split-complementary

#587CB9 #B96458 #ACB958

monochromatic

#2C436A #3F5F95 #587CB9 #839ECB #AEC0DD

Accessibility & contrast

On white

4.20

#587CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#587CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CB9

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CB9	#FFFFFF	#000000	##000000
##587CB9	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BC

Deuteranopia (green-blind)

#5877B8

Tritanopia (blue-blind)

#278992

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587cb9;
/* rgb */ color: rgb(88, 124, 185);
/* oklch */ color: oklch(58.6% 0.103 260.5);

Tailwind

colors: {
  custom: {
    50: '#8da1ce',
    500: '#587cb9',
    950: '#000000',
  },
}

SCSS

$custom: #587cb9;
$custom-light: #8da1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#587cb9",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 185
  },
  "hsl": {
    "h": 217.732,
    "s": 40.928,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58611,
    "c": 0.1028,
    "h": 260.5
  },
  "luminance": 0.19993
}

Semantic roles & 50–950 ramp

primary

#587CB9

secondary

#CBBCA2

accent

#A457D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #587CB9

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

Preview Lab → · Contrast checker → · Palette generator →