#687DCF#687DCF

#687DCF is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.0% C 0.127 H 271.4°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#687DCF
RGB	rgb(104, 125, 207)
HSL	hsl(228, 52%, 61%)
HSV	hsv(228, 50%, 81%)
CMYK	cmyk(49.8%, 39.6%, 0%, 18.8%)
CIE-LAB	lab(54.15, 14.99, -44.83)
CIE-LCH	lch(54.15, 47.27, 288.48°)
OKLab	oklab(61.02% 0.003 -0.1268)
OKLCH	oklch(61.02% 0.127 271.4)
XYZ	xyz(24.3014, 22.1138, 62.0072)
Luminance	0.2212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687DCF #CFBA68

analogous

#68B0CF #687DCF #8668CF

triadic

#687DCF #CF687D #7DCF68

tetradic

#687DCF #CF68B0 #CFBA68 #68CF86

square

#687DCF #CF68B0 #CFBA68 #68CF86

split-complementary

#687DCF #CF8668 #B0CF68

monochromatic

#2D418F #3C57BE #687DCF #96A5DE #C5CDED

Accessibility & contrast

On white

3.87

#687DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#687DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687DCF

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687DCF	#FFFFFF	#000000	##000000
##687DCF	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D86D2

Deuteranopia (green-blind)

#527DCD

Tritanopia (blue-blind)

#3D8E9C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #687dcf;
/* rgb */ color: rgb(104, 125, 207);
/* oklch */ color: oklch(61.0% 0.127 271.4);

Tailwind

colors: {
  custom: {
    50: '#99a2de',
    500: '#687dcf',
    950: '#000000',
  },
}

SCSS

$custom: #687dcf;
$custom-light: #99a2de;
$custom-dark: #000000;

JSON

{
  "hex": "#687dcf",
  "rgb": {
    "r": 104,
    "g": 125,
    "b": 207
  },
  "hsl": {
    "h": 227.767,
    "s": 51.759,
    "l": 60.98
  },
  "oklch": {
    "l": 0.61015,
    "c": 0.12686,
    "h": 271.4
  },
  "luminance": 0.22115
}

Semantic roles & 50–950 ramp

primary

#687DCF

secondary

#DDD5B6

accent

#A026BF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #687DCF

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

Preview Lab → · Contrast checker → · Palette generator →