#587DBC#587DBC

#587DBC is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.0% C 0.106 H 260.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#587DBC
RGB	rgb(88, 125, 188)
HSL	hsl(218, 43%, 54%)
HSV	hsv(218, 53%, 74%)
CMYK	cmyk(53.2%, 33.5%, 0%, 26.3%)
CIE-LAB	lab(52.25, 5.32, -37.05)
CIE-LCH	lch(52.25, 37.43, 278.17°)
OKLab	oklab(58.99% -0.0173 -0.1044)
OKLCH	oklch(58.99% 0.106 260.6)
XYZ	xyz(20.4321, 20.3713, 50.4226)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DBC #BC9758

analogous

#58AFBC #587DBC #6558BC

triadic

#587DBC #BC587D #7DBC58

tetradic

#587DBC #BC58AF #BC9758 #58BC65

square

#587DBC #BC58AF #BC9758 #58BC65

split-complementary

#587DBC #BC6558 #AFBC58

monochromatic

#2C446E #3E5F99 #587DBC #849FCE #AFC1DF

Accessibility & contrast

On white

4.14

#587DBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#587DBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DBC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DBC	#FFFFFF	#000000	##000000
##587DBC	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482BF

Deuteranopia (green-blind)

#5878BB

Tritanopia (blue-blind)

#238B94

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587dbc;
/* rgb */ color: rgb(88, 125, 188);
/* oklch */ color: oklch(59.0% 0.106 260.6);

Tailwind

colors: {
  custom: {
    50: '#8da2d0',
    500: '#587dbc',
    950: '#000000',
  },
}

SCSS

$custom: #587dbc;
$custom-light: #8da2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#587dbc",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 188
  },
  "hsl": {
    "h": 217.8,
    "s": 42.735,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58991,
    "c": 0.10587,
    "h": 260.6
  },
  "luminance": 0.20373
}

Semantic roles & 50–950 ramp

primary

#587DBC

secondary

#CDBDA3

accent

#A455D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0F14

muted

#7E7E82

Preview Lab

Preview with #587DBC

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

Preview Lab → · Contrast checker → · Palette generator →