#6587CB#6587CB

#6587CB is a light, moderate blue. Relative luminance 0.244; OKLCH L 62.7% C 0.110 H 263.3°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX#6587CB
RGBrgb(101, 135, 203)
HSLhsl(220, 50%, 60%)
HSVhsv(220, 50%, 80%)
CMYKcmyk(50.2%, 33.5%, 0%, 20.4%)
CIE-LABlab(56.49, 7.07, -38.89)
CIE-LCHlch(56.49, 39.52, 280.31°)
OKLaboklab(62.71% -0.0128 -0.1095)
OKLCHoklch(62.71% 0.11 263.3)
XYZxyz(24.8067, 24.4047, 59.8917)
Luminance0.2441 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6587CB #CBA965
analogous
#65BACB #6587CB #7665CB
triadic
#6587CB #CB6587 #87CB65
tetradic
#6587CB #CB65BA #CBA965 #65CB76
square
#6587CB #CB65BA #CBA965 #65CB76
split-complementary
#6587CB #CB7665 #BACB65
monochromatic
#2E4C88 #3D65B6 #6587CB #93ABDA #C1CEEA

Accessibility & contrast

On white

3.57
#6587CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.88
#6587CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6587CB
5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6587CB#FFFFFF#000000##000000
##6587CB1.003.575.885.88
#FFFFFF3.571.0021.0021.00
#0000005.8821.001.001.00
##0000005.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D8DCE
Deuteranopia (green-blind)
#6183CA
Tritanopia (blue-blind)
#3796A0
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #6587cb;
/* rgb */ color: rgb(101, 135, 203);
/* oklch */ color: oklch(62.7% 0.110 263.3);
Tailwind
colors: {
  custom: {
    50: '#97a9db',
    500: '#6587cb',
    950: '#000000',
  },
}
SCSS
$custom: #6587cb;
$custom-light: #97a9db;
$custom-dark: #000000;
JSON
{
  "hex": "#6587cb",
  "rgb": {
    "r": 101,
    "g": 135,
    "b": 203
  },
  "hsl": {
    "h": 220,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.62714,
    "c": 0.11023,
    "h": 263.3
  },
  "luminance": 0.24406
}

Semantic roles & 50–950 ramp

primary
#6587CB
secondary
#DACCB2
accent
#AB4FD9
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E0F15
muted
#7E7F83

Preview Lab

Preview with #6587CB

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

Preview Lab → · Contrast checker → · Palette generator →

#6587CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva