#688AB3#688AB3

#688AB3 is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.4% C 0.073 H 253.5°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#688AB3
RGB	rgb(104, 138, 179)
HSL	hsl(213, 33%, 55%)
HSV	hsv(213, 42%, 70%)
CMYK	cmyk(41.9%, 22.9%, 0%, 29.8%)
CIE-LAB	lab(56.46, -1.06, -25.29)
CIE-LCH	lch(56.46, 25.31, 267.60°)
OKLab	oklab(62.39% -0.0208 -0.0702)
OKLCH	oklch(62.39% 0.073 253.5)
XYZ	xyz(22.9314, 24.3734, 46.1353)
Luminance	0.2437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688AB3 #B39168

analogous

#68B0B3 #688AB3 #6B68B3

triadic

#688AB3 #B3688A #8AB368

tetradic

#688AB3 #B368B0 #B39168 #68B36B

square

#688AB3 #B368B0 #B39168 #68B36B

split-complementary

#688AB3 #B36B68 #B0B368

monochromatic

#364E6B #4A6B94 #688AB3 #91AAC7 #B9C9DC

Accessibility & contrast

On white

3.57

#688AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#688AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688AB3

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688AB3	#FFFFFF	#000000	##000000
##688AB3	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB5

Deuteranopia (green-blind)

#7284B2

Tritanopia (blue-blind)

#4D9398

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #688ab3;
/* rgb */ color: rgb(104, 138, 179);
/* oklch */ color: oklch(62.4% 0.073 253.5);

Tailwind

colors: {
  custom: {
    50: '#96acca',
    500: '#688ab3',
    950: '#000000',
  },
}

SCSS

$custom: #688ab3;
$custom-light: #96acca;
$custom-dark: #000000;

JSON

{
  "hex": "#688ab3",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 179
  },
  "hsl": {
    "h": 212.8,
    "s": 33.04,
    "l": 55.49
  },
  "oklch": {
    "l": 0.62391,
    "c": 0.07324,
    "h": 253.5
  },
  "luminance": 0.24375
}

Semantic roles & 50–950 ramp

primary

#688AB3

secondary

#CBBDAC

accent

#995FC9

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #688AB3

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

Preview Lab → · Contrast checker → · Palette generator →