#687CB2#687CB2

#687CB2 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.3% C 0.086 H 268.2°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#687CB2
RGB	rgb(104, 124, 178)
HSL	hsl(224, 32%, 55%)
HSV	hsv(224, 42%, 70%)
CMYK	cmyk(41.6%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(52.48, 6.87, -30.89)
CIE-LCH	lch(52.48, 31.64, 282.54°)
OKLab	oklab(59.27% -0.0028 -0.0863)
OKLCH	oklch(59.27% 0.086 268.2)
XYZ	xyz(20.9500, 20.5716, 44.9777)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687CB2 #B29E68

analogous

#68A1B2 #687CB2 #7968B2

triadic

#687CB2 #B2687C #7CB268

tetradic

#687CB2 #B268A1 #B29E68 #68B279

square

#687CB2 #B268A1 #B29E68 #68B279

split-complementary

#687CB2 #B27968 #A1B268

monochromatic

#36446A #4B5E92 #687CB2 #919FC7 #B9C2DB

Accessibility & contrast

On white

4.11

#687CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#687CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687CB2

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687CB2	#FFFFFF	#000000	##000000
##687CB2	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B4

Deuteranopia (green-blind)

#627AB1

Tritanopia (blue-blind)

#4F878F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #687cb2;
/* rgb */ color: rgb(104, 124, 178);
/* oklch */ color: oklch(59.3% 0.086 268.2);

Tailwind

colors: {
  custom: {
    50: '#96a1c9',
    500: '#687cb2',
    950: '#000000',
  },
}

SCSS

$custom: #687cb2;
$custom-light: #96a1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#687cb2",
  "rgb": {
    "r": 104,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 223.784,
    "s": 32.456,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59266,
    "c": 0.08635,
    "h": 268.2
  },
  "luminance": 0.20573
}

Semantic roles & 50–950 ramp

primary

#687CB2

secondary

#CAC2AB

accent

#AC5FC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0E0F13

muted

#7E7E82

Preview Lab

Preview with #687CB2

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

Preview Lab → · Contrast checker → · Palette generator →