#688CBB#688CBB

#688CBB is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.2% C 0.082 H 255.4°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#688CBB
RGB	rgb(104, 140, 187)
HSL	hsl(214, 38%, 57%)
HSV	hsv(214, 44%, 73%)
CMYK	cmyk(44.4%, 25.1%, 0%, 26.7%)
CIE-LAB	lab(57.35, 0.09, -28.46)
CIE-LCH	lch(57.35, 28.46, 270.18°)
OKLab	oklab(63.2% -0.0207 -0.0793)
OKLCH	oklch(63.2% 0.082 255.4)
XYZ	xyz(24.0537, 25.2856, 50.6172)
Luminance	0.2529 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CBB #BB9768

analogous

#68B6BB #688CBB #6E68BB

triadic

#688CBB #BB688C #8CBB68

tetradic

#688CBB #BB68B6 #BB9768 #68BB6E

square

#688CBB #BB68B6 #BB9768 #68BB6E

split-complementary

#688CBB #BB6E68 #B6BB68

monochromatic

#345074 #476D9E #688CBB #92ACCE #BCCCE1

Accessibility & contrast

On white

3.47

#688CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#688CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CBB

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CBB	#FFFFFF	#000000	##000000
##688CBB	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8EBD

Deuteranopia (green-blind)

#7086BA

Tritanopia (blue-blind)

#48969C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #688cbb;
/* rgb */ color: rgb(104, 140, 187);
/* oklch */ color: oklch(63.2% 0.082 255.4);

Tailwind

colors: {
  custom: {
    50: '#97adcf',
    500: '#688cbb',
    950: '#000000',
  },
}

SCSS

$custom: #688cbb;
$custom-light: #97adcf;
$custom-dark: #000000;

JSON

{
  "hex": "#688cbb",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 213.976,
    "s": 37.9,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63199,
    "c": 0.08198,
    "h": 255.4
  },
  "luminance": 0.25287
}

Semantic roles & 50–950 ramp

primary

#688CBB

secondary

#D0C2AF

accent

#9C5ACE

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #688CBB

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

Preview Lab → · Contrast checker → · Palette generator →