#688CB4#688CB4

#688CB4 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.073 H 251.6°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#688CB4
RGB	rgb(104, 140, 180)
HSL	hsl(212, 34%, 56%)
HSV	hsv(212, 42%, 71%)
CMYK	cmyk(42.2%, 22.2%, 0%, 29.4%)
CIE-LAB	lab(57.07, -1.92, -24.92)
CIE-LCH	lch(57.07, 24.99, 265.58°)
OKLab	oklab(62.88% -0.023 -0.0692)
OKLCH	oklch(62.88% 0.073 251.6)
XYZ	xyz(23.3225, 24.9931, 46.7664)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CB4 #B49068

analogous

#68B2B4 #688CB4 #6A68B4

triadic

#688CB4 #B4688C #8CB468

tetradic

#688CB4 #B468B2 #B49068 #68B46A

square

#688CB4 #B468B2 #B49068 #68B46A

split-complementary

#688CB4 #B46A68 #B2B468

monochromatic

#364F6C #4A6D95 #688CB4 #91ABC8 #BACADD

Accessibility & contrast

On white

3.50

#688CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#688CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CB4

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CB4	#FFFFFF	#000000	##000000
##688CB4	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB6

Deuteranopia (green-blind)

#7386B3

Tritanopia (blue-blind)

#4C9599

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #688cb4;
/* rgb */ color: rgb(104, 140, 180);
/* oklch */ color: oklch(62.9% 0.073 251.6);

Tailwind

colors: {
  custom: {
    50: '#96adca',
    500: '#688cb4',
    950: '#000000',
  },
}

SCSS

$custom: #688cb4;
$custom-light: #96adca;
$custom-dark: #000000;

JSON

{
  "hex": "#688cb4",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 180
  },
  "hsl": {
    "h": 211.579,
    "s": 33.628,
    "l": 55.686
  },
  "oklch": {
    "l": 0.62883,
    "c": 0.07292,
    "h": 251.6
  },
  "luminance": 0.24995
}

Semantic roles & 50–950 ramp

primary

#688CB4

secondary

#CCBDAC

accent

#975ECA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #688CB4

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

Preview Lab → · Contrast checker → · Palette generator →