#688BB9#688BB9

#688BB9 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.080 H 255.5°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#688BB9
RGB	rgb(104, 139, 185)
HSL	hsl(214, 37%, 57%)
HSV	hsv(214, 44%, 73%)
CMYK	cmyk(43.8%, 24.9%, 0%, 27.5%)
CIE-LAB	lab(56.99, 0.09, -27.89)
CIE-LCH	lch(56.99, 27.89, 270.18°)
OKLab	oklab(62.89% -0.0201 -0.0777)
OKLCH	oklch(62.89% 0.08 255.5)
XYZ	xyz(23.6956, 24.9096, 49.4490)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BB9 #B99668

analogous

#68B4B9 #688BB9 #6E68B9

triadic

#688BB9 #B9688B #8BB968

tetradic

#688BB9 #B968B4 #B99668 #68B96E

square

#688BB9 #B968B4 #B99668 #68B96E

split-complementary

#688BB9 #B96E68 #B4B968

monochromatic

#354F72 #486C9C #688BB9 #92ABCC #BCCBE0

Accessibility & contrast

On white

3.51

#688BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#688BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BB9

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BB9	#FFFFFF	#000000	##000000
##688BB9	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8DBB

Deuteranopia (green-blind)

#7085B8

Tritanopia (blue-blind)

#49959B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #688bb9;
/* rgb */ color: rgb(104, 139, 185);
/* oklch */ color: oklch(62.9% 0.080 255.5);

Tailwind

colors: {
  custom: {
    50: '#97acce',
    500: '#688bb9',
    950: '#000000',
  },
}

SCSS

$custom: #688bb9;
$custom-light: #97acce;
$custom-dark: #000000;

JSON

{
  "hex": "#688bb9",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 185
  },
  "hsl": {
    "h": 214.074,
    "s": 36.652,
    "l": 56.667
  },
  "oklch": {
    "l": 0.62886,
    "c": 0.08024,
    "h": 255.5
  },
  "luminance": 0.24911
}

Semantic roles & 50–950 ramp

primary

#688BB9

secondary

#CFC1AE

accent

#9C5BCD

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #688BB9

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

Preview Lab → · Contrast checker → · Palette generator →