#688DB2#688DB2

#688DB2 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 63.0% C 0.070 H 249.0°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#688DB2
RGB	rgb(104, 141, 178)
HSL	hsl(210, 32%, 55%)
HSV	hsv(210, 42%, 70%)
CMYK	cmyk(41.6%, 20.8%, 0%, 30.2%)
CIE-LAB	lab(57.28, -3.06, -23.46)
CIE-LCH	lch(57.28, 23.66, 262.56°)
OKLab	oklab(63.02% -0.025 -0.065)
OKLCH	oklch(63.02% 0.07 249)
XYZ	xyz(23.2670, 25.2058, 45.7500)
Luminance	0.2521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DB2 #B28D68

analogous

#68B2B2 #688DB2 #6868B2

triadic

#688DB2 #B2688D #8DB268

tetradic

#688DB2 #B268B2 #B28D68 #68B268

square

#688DB2 #B268B2 #B28D68 #68B268

split-complementary

#688DB2 #B26868 #B2B268

monochromatic

#36506A #4B6E92 #688DB2 #91ACC7 #B9CADB

Accessibility & contrast

On white

3.48

#688DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#688DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DB2

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DB2	#FFFFFF	#000000	##000000
##688DB2	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB4

Deuteranopia (green-blind)

#7586B1

Tritanopia (blue-blind)

#4D9699

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #688db2;
/* rgb */ color: rgb(104, 141, 178);
/* oklch */ color: oklch(63.0% 0.070 249.0);

Tailwind

colors: {
  custom: {
    50: '#96aec9',
    500: '#688db2',
    950: '#000000',
  },
}

SCSS

$custom: #688db2;
$custom-light: #96aec9;
$custom-dark: #000000;

JSON

{
  "hex": "#688db2",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 178
  },
  "hsl": {
    "h": 210,
    "s": 32.456,
    "l": 55.294
  },
  "oklch": {
    "l": 0.63019,
    "c": 0.06968,
    "h": 249
  },
  "luminance": 0.25207
}

Semantic roles & 50–950 ramp

primary

#688DB2

secondary

#CABBAB

accent

#945FC9

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #688DB2

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

Preview Lab → · Contrast checker → · Palette generator →