#688CB2#688CB2

#688CB2 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.8% C 0.070 H 250.3°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#688CB2
RGB	rgb(104, 140, 178)
HSL	hsl(211, 32%, 55%)
HSV	hsv(211, 42%, 70%)
CMYK	cmyk(41.6%, 21.3%, 0%, 30.2%)
CIE-LAB	lab(56.99, -2.49, -23.90)
CIE-LCH	lch(56.99, 24.03, 264.05°)
OKLab	oklab(62.8% -0.0237 -0.0663)
OKLCH	oklch(62.8% 0.07 250.3)
XYZ	xyz(23.1203, 24.9122, 45.7011)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CB2 #B28E68

analogous

#68B1B2 #688CB2 #6968B2

triadic

#688CB2 #B2688C #8CB268

tetradic

#688CB2 #B268B1 #B28E68 #68B269

square

#688CB2 #B268B1 #B28E68 #68B269

split-complementary

#688CB2 #B26968 #B1B268

monochromatic

#364F6A #4B6D92 #688CB2 #91ABC7 #B9CADB

Accessibility & contrast

On white

3.51

#688CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#688CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CB2

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CB2	#FFFFFF	#000000	##000000
##688CB2	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB4

Deuteranopia (green-blind)

#7485B1

Tritanopia (blue-blind)

#4D9599

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #688cb2;
/* rgb */ color: rgb(104, 140, 178);
/* oklch */ color: oklch(62.8% 0.070 250.3);

Tailwind

colors: {
  custom: {
    50: '#96adc9',
    500: '#688cb2',
    950: '#000000',
  },
}

SCSS

$custom: #688cb2;
$custom-light: #96adc9;
$custom-dark: #000000;

JSON

{
  "hex": "#688cb2",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 178
  },
  "hsl": {
    "h": 210.811,
    "s": 32.456,
    "l": 55.294
  },
  "oklch": {
    "l": 0.62795,
    "c": 0.0704,
    "h": 250.3
  },
  "luminance": 0.24914
}

Semantic roles & 50–950 ramp

primary

#688CB2

secondary

#CABBAB

accent

#955FC9

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #688CB2

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

Preview Lab → · Contrast checker → · Palette generator →