#6587BB#6587BB

#6587BB is a mid, moderate blue. Relative luminance 0.237; OKLCH L 61.9% C 0.088 H 258.7°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#6587BB
RGB	rgb(101, 135, 187)
HSL	hsl(216, 39%, 56%)
HSV	hsv(216, 46%, 73%)
CMYK	cmyk(46%, 27.8%, 0%, 26.7%)
CIE-LAB	lab(55.77, 2.23, -30.94)
CIE-LCH	lch(55.77, 31.02, 274.11°)
OKLab	oklab(61.91% -0.0173 -0.0865)
OKLCH	oklch(61.91% 0.088 258.7)
XYZ	xyz(22.9975, 23.6811, 50.3631)
Luminance	0.2368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6587BB #BB9965

analogous

#65B2BB #6587BB #6E65BB

triadic

#6587BB #BB6587 #87BB65

tetradic

#6587BB #BB65B2 #BB9965 #65BB6E

square

#6587BB #BB65B2 #BB9965 #65BB6E

split-complementary

#6587BB #BB6E65 #B2BB65

monochromatic

#334C73 #45689D #6587BB #8FA8CE #BAC9E0

Accessibility & contrast

On white

3.66

#6587BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#6587BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6587BB

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6587BB	#FFFFFF	#000000	##000000
##6587BB	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738ABD

Deuteranopia (green-blind)

#6A82BA

Tritanopia (blue-blind)

#439299

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #6587bb;
/* rgb */ color: rgb(101, 135, 187);
/* oklch */ color: oklch(61.9% 0.088 258.7);

Tailwind

colors: {
  custom: {
    50: '#95a9cf',
    500: '#6587bb',
    950: '#000000',
  },
}

SCSS

$custom: #6587bb;
$custom-light: #95a9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#6587bb",
  "rgb": {
    "r": 101,
    "g": 135,
    "b": 187
  },
  "hsl": {
    "h": 216.279,
    "s": 38.739,
    "l": 56.471
  },
  "oklch": {
    "l": 0.61912,
    "c": 0.0882,
    "h": 258.7
  },
  "luminance": 0.23683
}

Semantic roles & 50–950 ramp

primary

#6587BB

secondary

#D0C2AC

accent

#A059CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #6587BB

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

Preview Lab → · Contrast checker → · Palette generator →