#688CC0#688CC0

#688CC0 is a light, moderate blue. Relative luminance 0.255; OKLCH L 63.4% C 0.089 H 257.5°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#688CC0
RGB	rgb(104, 140, 192)
HSL	hsl(215, 41%, 58%)
HSV	hsv(215, 46%, 75%)
CMYK	cmyk(45.8%, 27.1%, 0%, 24.7%)
CIE-LAB	lab(57.56, 1.55, -30.97)
CIE-LCH	lch(57.56, 31.01, 272.87°)
OKLab	oklab(63.43% -0.0191 -0.0865)
OKLCH	oklch(63.43% 0.089 257.5)
XYZ	xyz(24.5983, 25.5034, 53.4854)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CC0 #C09C68

analogous

#68B8C0 #688CC0 #7068C0

triadic

#688CC0 #C0688C #8CC068

tetradic

#688CC0 #C068B8 #C09C68 #68C070

square

#688CC0 #C068B8 #C09C68 #68C070

split-complementary

#688CC0 #C07068 #B8C068

monochromatic

#33507A #456DA6 #688CC0 #93ADD2 #BECEE4

Accessibility & contrast

On white

3.44

#688CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#688CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CC0

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CC0	#FFFFFF	#000000	##000000
##688CC0	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788FC2

Deuteranopia (green-blind)

#6E86BF

Tritanopia (blue-blind)

#45979E

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #688cc0;
/* rgb */ color: rgb(104, 140, 192);
/* oklch */ color: oklch(63.4% 0.089 257.5);

Tailwind

colors: {
  custom: {
    50: '#97add3',
    500: '#688cc0',
    950: '#000000',
  },
}

SCSS

$custom: #688cc0;
$custom-light: #97add3;
$custom-dark: #000000;

JSON

{
  "hex": "#688cc0",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 192
  },
  "hsl": {
    "h": 215.455,
    "s": 41.121,
    "l": 58.039
  },
  "oklch": {
    "l": 0.63433,
    "c": 0.08862,
    "h": 257.5
  },
  "luminance": 0.25505
}

Semantic roles & 50–950 ramp

primary

#688CC0

secondary

#D3C5B0

accent

#9F57D1

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #688CC0

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

Preview Lab → · Contrast checker → · Palette generator →