#587DBD#587DBD

#587DBD is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.0% C 0.107 H 260.8°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#587DBD
RGB	rgb(88, 125, 189)
HSL	hsl(218, 43%, 54%)
HSV	hsv(218, 53%, 74%)
CMYK	cmyk(53.4%, 33.9%, 0%, 25.9%)
CIE-LAB	lab(52.30, 5.64, -37.55)
CIE-LCH	lch(52.30, 37.97, 278.54°)
OKLab	oklab(59.04% -0.0171 -0.1059)
OKLCH	oklch(59.04% 0.107 260.8)
XYZ	xyz(20.5403, 20.4145, 50.9922)
Luminance	0.2042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DBD #BD9858

analogous

#58B0BD #587DBD #6658BD

triadic

#587DBD #BD587D #7DBD58

tetradic

#587DBD #BD58B0 #BD9858 #58BD66

square

#587DBD #BD58B0 #BD9858 #58BD66

split-complementary

#587DBD #BD6658 #B0BD58

monochromatic

#2C446F #3D5F9B #587DBD #849FCE #B0C1E0

Accessibility & contrast

On white

4.13

#587DBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#587DBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DBD

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DBD	#FFFFFF	#000000	##000000
##587DBD	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C0

Deuteranopia (green-blind)

#5778BC

Tritanopia (blue-blind)

#228B94

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587dbd;
/* rgb */ color: rgb(88, 125, 189);
/* oklch */ color: oklch(59.0% 0.107 260.8);

Tailwind

colors: {
  custom: {
    50: '#8ea2d1',
    500: '#587dbd',
    950: '#000000',
  },
}

SCSS

$custom: #587dbd;
$custom-light: #8ea2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#587dbd",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 189
  },
  "hsl": {
    "h": 218.02,
    "s": 43.348,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59044,
    "c": 0.10726,
    "h": 260.8
  },
  "luminance": 0.20416
}

Semantic roles & 50–950 ramp

primary

#587DBD

secondary

#CEBEA3

accent

#A555D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0F14

muted

#7E7E82

Preview Lab

Preview with #587DBD

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

Preview Lab → · Contrast checker → · Palette generator →