#688ABC#688ABC

#688ABC is a light, moderate blue. Relative luminance 0.248; OKLCH L 62.8% C 0.085 H 257.9°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#688ABC
RGB	rgb(104, 138, 188)
HSL	hsl(216, 39%, 57%)
HSV	hsv(216, 45%, 74%)
CMYK	cmyk(44.7%, 26.6%, 0%, 26.3%)
CIE-LAB	lab(56.83, 1.54, -29.84)
CIE-LCH	lch(56.83, 29.88, 272.95°)
OKLab	oklab(62.8% -0.0179 -0.0833)
OKLCH	oklch(62.8% 0.085 257.9)
XYZ	xyz(23.8715, 24.7494, 51.0864)
Luminance	0.2475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688ABC #BC9A68

analogous

#68B4BC #688ABC #7068BC

triadic

#688ABC #BC688A #8ABC68

tetradic

#688ABC #BC68B4 #BC9A68 #68BC70

square

#688ABC #BC68B4 #BC9A68 #68BC70

split-complementary

#688ABC #BC7068 #B4BC68

monochromatic

#344F75 #476BA0 #688ABC #92ABCF #BDCCE2

Accessibility & contrast

On white

3.53

#688ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#688ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688ABC

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688ABC	#FFFFFF	#000000	##000000
##688ABC	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778DBE

Deuteranopia (green-blind)

#6E85BB

Tritanopia (blue-blind)

#48959B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #688abc;
/* rgb */ color: rgb(104, 138, 188);
/* oklch */ color: oklch(62.8% 0.085 257.9);

Tailwind

colors: {
  custom: {
    50: '#97acd0',
    500: '#688abc',
    950: '#000000',
  },
}

SCSS

$custom: #688abc;
$custom-light: #97acd0;
$custom-dark: #000000;

JSON

{
  "hex": "#688abc",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 188
  },
  "hsl": {
    "h": 215.714,
    "s": 38.532,
    "l": 57.255
  },
  "oklch": {
    "l": 0.62804,
    "c": 0.08517,
    "h": 257.9
  },
  "luminance": 0.24751
}

Semantic roles & 50–950 ramp

primary

#688ABC

secondary

#D1C3AF

accent

#9F59CE

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #688ABC

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

Preview Lab → · Contrast checker → · Palette generator →