#688FCB#688FCB

#688FCB is a light, moderate blue. Relative luminance 0.269; OKLCH L 64.6% C 0.100 H 258.8°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#688FCB
RGB	rgb(104, 143, 203)
HSL	hsl(216, 49%, 60%)
HSV	hsv(216, 49%, 80%)
CMYK	cmyk(48.8%, 29.6%, 0%, 20.4%)
CIE-LAB	lab(58.88, 3.09, -35.13)
CIE-LCH	lch(58.88, 35.27, 275.03°)
OKLab	oklab(64.62% -0.0195 -0.0985)
OKLCH	oklch(64.62% 0.1 258.8)
XYZ	xyz(26.3073, 26.8980, 60.2939)
Luminance	0.2690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FCB #CBA468

analogous

#68C0CB #688FCB #7368CB

triadic

#688FCB #CB688F #8FCB68

tetradic

#688FCB #CB68C0 #CBA468 #68CB73

square

#688FCB #CB68C0 #CBA468 #68CB73

split-complementary

#688FCB #CB7368 #C0CB68

monochromatic

#2F5389 #3F6EB7 #688FCB #96B1DB #C3D3EA

Accessibility & contrast

On white

3.29

#688FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#688FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FCB

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FCB	#FFFFFF	#000000	##000000
##688FCB	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CE

Deuteranopia (green-blind)

#6C89CA

Tritanopia (blue-blind)

#3D9CA4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688fcb;
/* rgb */ color: rgb(104, 143, 203);
/* oklch */ color: oklch(64.6% 0.100 258.8);

Tailwind

colors: {
  custom: {
    50: '#98afdb',
    500: '#688fcb',
    950: '#000000',
  },
}

SCSS

$custom: #688fcb;
$custom-light: #98afdb;
$custom-dark: #000000;

JSON

{
  "hex": "#688fcb",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 203
  },
  "hsl": {
    "h": 216.364,
    "s": 48.768,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6462,
    "c": 0.10044,
    "h": 258.8
  },
  "luminance": 0.269
}

Semantic roles & 50–950 ramp

primary

#688FCB

secondary

#DACBB4

accent

#8229BC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688FCB

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

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