#587EBC#587EBC

#587EBC is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.2% C 0.105 H 259.8°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#587EBC
RGB	rgb(88, 126, 188)
HSL	hsl(217, 43%, 54%)
HSV	hsv(217, 53%, 74%)
CMYK	cmyk(53.2%, 33%, 0%, 26.3%)
CIE-LAB	lab(52.54, 4.72, -36.61)
CIE-LCH	lch(52.54, 36.91, 277.35°)
OKLab	oklab(59.21% -0.0185 -0.1031)
OKLCH	oklch(59.21% 0.105 259.8)
XYZ	xyz(20.5594, 20.6257, 50.4650)
Luminance	0.2063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587EBC #BC9658

analogous

#58B0BC #587EBC #6458BC

triadic

#587EBC #BC587E #7EBC58

tetradic

#587EBC #BC58B0 #BC9658 #58BC64

square

#587EBC #BC58B0 #BC9658 #58BC64

split-complementary

#587EBC #BC6458 #B0BC58

monochromatic

#2C456E #3E6099 #587EBC #84A0CE #AFC1DF

Accessibility & contrast

On white

4.10

#587EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#587EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587EBC

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587EBC	#FFFFFF	#000000	##000000
##587EBC	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6583BF

Deuteranopia (green-blind)

#5979BB

Tritanopia (blue-blind)

#238C94

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587ebc;
/* rgb */ color: rgb(88, 126, 188);
/* oklch */ color: oklch(59.2% 0.105 259.8);

Tailwind

colors: {
  custom: {
    50: '#8da3d0',
    500: '#587ebc',
    950: '#000000',
  },
}

SCSS

$custom: #587ebc;
$custom-light: #8da3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#587ebc",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 188
  },
  "hsl": {
    "h": 217.2,
    "s": 42.735,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59211,
    "c": 0.10479,
    "h": 259.8
  },
  "luminance": 0.20627
}

Semantic roles & 50–950 ramp

primary

#587EBC

secondary

#CDBDA3

accent

#A355D3

background

#F9FAFC

surface

#F1F3F9

border

#CBCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #587EBC

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

Preview Lab → · Contrast checker → · Palette generator →