#587DB7#587DB7

#587DB7 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.7% C 0.099 H 259.1°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#587DB7
RGB	rgb(88, 125, 183)
HSL	hsl(217, 40%, 53%)
HSV	hsv(217, 52%, 72%)
CMYK	cmyk(51.9%, 31.7%, 0%, 28.2%)
CIE-LAB	lab(52.02, 3.73, -34.56)
CIE-LCH	lch(52.02, 34.76, 276.17°)
OKLab	oklab(58.73% -0.0187 -0.0972)
OKLCH	oklch(58.73% 0.099 259.1)
XYZ	xyz(19.9025, 20.1594, 47.6329)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DB7 #B79258

analogous

#58ACB7 #587DB7 #6258B7

triadic

#587DB7 #B7587D #7DB758

tetradic

#587DB7 #B758AC #B79258 #58B762

square

#587DB7 #B758AC #B79258 #58B762

split-complementary

#587DB7 #B76258 #ACB758

monochromatic

#2D4468 #3F6093 #587DB7 #839EC9 #AEC0DC

Accessibility & contrast

On white

4.17

#587DB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#587DB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DB7

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DB7	#FFFFFF	#000000	##000000
##587DB7	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6681B9

Deuteranopia (green-blind)

#5B78B6

Tritanopia (blue-blind)

#298A92

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587db7;
/* rgb */ color: rgb(88, 125, 183);
/* oklch */ color: oklch(58.7% 0.099 259.1);

Tailwind

colors: {
  custom: {
    50: '#8da2cd',
    500: '#587db7',
    950: '#000000',
  },
}

SCSS

$custom: #587db7;
$custom-light: #8da2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#587db7",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 183
  },
  "hsl": {
    "h": 216.632,
    "s": 39.749,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58728,
    "c": 0.09897,
    "h": 259.1
  },
  "luminance": 0.20161
}

Semantic roles & 50–950 ramp

primary

#587DB7

secondary

#CABAA1

accent

#A158D0

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0F13

muted

#7D7E82

Preview Lab

Preview with #587DB7

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

Preview Lab → · Contrast checker → · Palette generator →