#6587BC#6587BC

#6587BC is a mid, moderate blue. Relative luminance 0.237; OKLCH L 62.0% C 0.090 H 259.1°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#6587BC
RGB	rgb(101, 135, 188)
HSL	hsl(217, 39%, 57%)
HSV	hsv(217, 46%, 74%)
CMYK	cmyk(46.3%, 28.2%, 0%, 26.3%)
CIE-LAB	lab(55.81, 2.52, -31.44)
CIE-LCH	lch(55.81, 31.54, 274.59°)
OKLab	oklab(61.96% -0.017 -0.0879)
OKLCH	oklch(61.96% 0.09 259.1)
XYZ	xyz(23.1049, 23.7240, 50.9289)
Luminance	0.2372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6587BC #BC9A65

analogous

#65B3BC #6587BC #6F65BC

triadic

#6587BC #BC6587 #87BC65

tetradic

#6587BC #BC65B3 #BC9A65 #65BC6F

square

#6587BC #BC65B3 #BC9A65 #65BC6F

split-complementary

#6587BC #BC6F65 #B3BC65

monochromatic

#334C74 #45689F #6587BC #90A8CF #BAC9E1

Accessibility & contrast

On white

3.66

#6587BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#6587BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6587BC

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6587BC	#FFFFFF	#000000	##000000
##6587BC	1.00	3.66	5.75	5.75
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738ABE

Deuteranopia (green-blind)

#6982BB

Tritanopia (blue-blind)

#42929A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #6587bc;
/* rgb */ color: rgb(101, 135, 188);
/* oklch */ color: oklch(62.0% 0.090 259.1);

Tailwind

colors: {
  custom: {
    50: '#95a9d0',
    500: '#6587bc',
    950: '#000000',
  },
}

SCSS

$custom: #6587bc;
$custom-light: #95a9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6587bc",
  "rgb": {
    "r": 101,
    "g": 135,
    "b": 188
  },
  "hsl": {
    "h": 216.552,
    "s": 39.367,
    "l": 56.667
  },
  "oklch": {
    "l": 0.6196,
    "c": 0.08956,
    "h": 259.1
  },
  "luminance": 0.23725
}

Semantic roles & 50–950 ramp

primary

#6587BC

secondary

#D0C2AD

accent

#A159CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #6587BC

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

Preview Lab → · Contrast checker → · Palette generator →