#688CCB#688CCB

#688CCB is a light, moderate blue. Relative luminance 0.260; OKLCH L 64.0% C 0.104 H 261.1°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#688CCB
RGB	rgb(104, 140, 203)
HSL	hsl(218, 49%, 60%)
HSV	hsv(218, 49%, 80%)
CMYK	cmyk(48.8%, 31%, 0%, 20.4%)
CIE-LAB	lab(58.05, 4.84, -36.44)
CIE-LCH	lch(58.05, 36.76, 277.57°)
OKLab	oklab(63.97% -0.0159 -0.1023)
OKLCH	oklch(63.97% 0.104 261.1)
XYZ	xyz(25.8629, 26.0093, 60.1458)
Luminance	0.2601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CCB #CBA768

analogous

#68BDCB #688CCB #7668CB

triadic

#688CCB #CB688C #8CCB68

tetradic

#688CCB #CB68BD #CBA768 #68CB76

square

#688CCB #CB68BD #CBA768 #68CB76

split-complementary

#688CCB #CB7668 #BDCB68

monochromatic

#2F5089 #3F6BB7 #688CCB #96AFDB #C3D1EA

Accessibility & contrast

On white

3.39

#688CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#688CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CCB

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CCB	#FFFFFF	#000000	##000000
##688CCB	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7491CE

Deuteranopia (green-blind)

#6987CA

Tritanopia (blue-blind)

#3D9AA2

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #688ccb;
/* rgb */ color: rgb(104, 140, 203);
/* oklch */ color: oklch(64.0% 0.104 261.1);

Tailwind

colors: {
  custom: {
    50: '#98addb',
    500: '#688ccb',
    950: '#000000',
  },
}

SCSS

$custom: #688ccb;
$custom-light: #98addb;
$custom-dark: #000000;

JSON

{
  "hex": "#688ccb",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 203
  },
  "hsl": {
    "h": 218.182,
    "s": 48.768,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6397,
    "c": 0.10353,
    "h": 261.1
  },
  "luminance": 0.26011
}

Semantic roles & 50–950 ramp

primary

#688CCB

secondary

#DACDB4

accent

#8729BC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688CCB

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

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