#688BB0#688BB0

#688BB0 is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.5% C 0.069 H 250.4°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#688BB0
RGB	rgb(104, 139, 176)
HSL	hsl(211, 31%, 55%)
HSV	hsv(211, 41%, 69%)
CMYK	cmyk(40.9%, 21%, 0%, 31%)
CIE-LAB	lab(56.63, -2.48, -23.32)
CIE-LCH	lch(56.63, 23.45, 263.92°)
OKLab	oklab(62.48% -0.0231 -0.0646)
OKLCH	oklch(62.48% 0.069 250.4)
XYZ	xyz(22.7755, 24.5416, 44.6028)
Luminance	0.2454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BB0 #B08D68

analogous

#68AFB0 #688BB0 #6968B0

triadic

#688BB0 #B0688B #8BB068

tetradic

#688BB0 #B068AF #B08D68 #68B069

square

#688BB0 #B068AF #B08D68 #68B069

split-complementary

#688BB0 #B06968 #AFB068

monochromatic

#364E67 #4B6C90 #688BB0 #90AAC5 #B8C9DA

Accessibility & contrast

On white

3.55

#688BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#688BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BB0

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BB0	#FFFFFF	#000000	##000000
##688BB0	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB2

Deuteranopia (green-blind)

#7485AF

Tritanopia (blue-blind)

#4E9397

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #688bb0;
/* rgb */ color: rgb(104, 139, 176);
/* oklch */ color: oklch(62.5% 0.069 250.4);

Tailwind

colors: {
  custom: {
    50: '#96acc7',
    500: '#688bb0',
    950: '#000000',
  },
}

SCSS

$custom: #688bb0;
$custom-light: #96acc7;
$custom-dark: #000000;

JSON

{
  "hex": "#688bb0",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 210.833,
    "s": 31.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62483,
    "c": 0.06864,
    "h": 250.4
  },
  "luminance": 0.24543
}

Semantic roles & 50–950 ramp

primary

#688BB0

secondary

#C9BAAB

accent

#9560C7

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #688BB0

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

Preview Lab → · Contrast checker → · Palette generator →