#688CB5#688CB5

#688CB5 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.074 H 252.2°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#688CB5
RGB	rgb(104, 140, 181)
HSL	hsl(212, 34%, 56%)
HSV	hsv(212, 43%, 71%)
CMYK	cmyk(42.5%, 22.7%, 0%, 29%)
CIE-LAB	lab(57.11, -1.64, -25.43)
CIE-LCH	lch(57.11, 25.48, 266.31°)
OKLab	oklab(62.93% -0.0227 -0.0706)
OKLCH	oklch(62.93% 0.074 252.2)
XYZ	xyz(23.4248, 25.0340, 47.3048)
Luminance	0.2504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CB5 #B59168

analogous

#68B2B5 #688CB5 #6A68B5

triadic

#688CB5 #B5688C #8CB568

tetradic

#688CB5 #B568B2 #B59168 #68B56A

square

#688CB5 #B568B2 #B59168 #68B56A

split-complementary

#688CB5 #B56A68 #B2B568

monochromatic

#354F6D #4A6D96 #688CB5 #91ABC9 #BACBDD

Accessibility & contrast

On white

3.50

#688CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#688CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CB5

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CB5	#FFFFFF	#000000	##000000
##688CB5	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB7

Deuteranopia (green-blind)

#7386B4

Tritanopia (blue-blind)

#4B959A

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #688cb5;
/* rgb */ color: rgb(104, 140, 181);
/* oklch */ color: oklch(62.9% 0.074 252.2);

Tailwind

colors: {
  custom: {
    50: '#96adcb',
    500: '#688cb5',
    950: '#000000',
  },
}

SCSS

$custom: #688cb5;
$custom-light: #96adcb;
$custom-dark: #000000;

JSON

{
  "hex": "#688cb5",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 181
  },
  "hsl": {
    "h": 211.948,
    "s": 34.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62927,
    "c": 0.07419,
    "h": 252.2
  },
  "luminance": 0.25035
}

Semantic roles & 50–950 ramp

primary

#688CB5

secondary

#CCBDAC

accent

#975DCA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #688CB5

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

Preview Lab → · Contrast checker → · Palette generator →