#687BC2#687BC2

#687BC2 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.9% C 0.111 H 271.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#687BC2
RGB	rgb(104, 123, 194)
HSL	hsl(227, 42%, 58%)
HSV	hsv(227, 46%, 76%)
CMYK	cmyk(46.4%, 36.6%, 0%, 23.9%)
CIE-LAB	lab(52.95, 12.22, -39.32)
CIE-LCH	lch(52.95, 41.18, 287.26°)
OKLab	oklab(59.88% 0.0027 -0.1108)
OKLCH	oklch(59.88% 0.111 271.4)
XYZ	xyz(22.5264, 21.0027, 53.8954)
Luminance	0.2100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687BC2 #C2AF68

analogous

#68A8C2 #687BC2 #8268C2

triadic

#687BC2 #C2687B #7BC268

tetradic

#687BC2 #C268A8 #C2AF68 #68C282

square

#687BC2 #C268A8 #C2AF68 #68C282

split-complementary

#687BC2 #C28268 #A8C268

monochromatic

#33427D #4459A9 #687BC2 #94A1D4 #BFC7E5

Accessibility & contrast

On white

4.04

#687BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#687BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687BC2

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687BC2	#FFFFFF	#000000	##000000
##687BC2	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6183C5

Deuteranopia (green-blind)

#587BC0

Tritanopia (blue-blind)

#478A95

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #687bc2;
/* rgb */ color: rgb(104, 123, 194);
/* oklch */ color: oklch(59.9% 0.111 271.4);

Tailwind

colors: {
  custom: {
    50: '#98a0d5',
    500: '#687bc2',
    950: '#000000',
  },
}

SCSS

$custom: #687bc2;
$custom-light: #98a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#687bc2",
  "rgb": {
    "r": 104,
    "g": 123,
    "b": 194
  },
  "hsl": {
    "h": 227.333,
    "s": 42.453,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5988,
    "c": 0.1108,
    "h": 271.4
  },
  "luminance": 0.21004
}

Semantic roles & 50–950 ramp

primary

#687BC2

secondary

#D5CDB1

accent

#B856D2

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #687BC2

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

Preview Lab → · Contrast checker → · Palette generator →