#688BCE#688BCE

#688BCE is a light, moderate blue. Relative luminance 0.259; OKLCH L 63.9% C 0.109 H 262.6°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#688BCE
RGB	rgb(104, 139, 206)
HSL	hsl(219, 51%, 61%)
HSV	hsv(219, 50%, 81%)
CMYK	cmyk(49.5%, 32.5%, 0%, 19.2%)
CIE-LAB	lab(57.91, 6.34, -38.34)
CIE-LCH	lch(57.91, 38.86, 279.39°)
OKLab	oklab(63.91% -0.0139 -0.1078)
OKLCH	oklch(63.91% 0.109 262.6)
XYZ	xyz(26.0784, 25.8628, 61.9984)
Luminance	0.2586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BCE #CEAB68

analogous

#68BECE #688BCE #7868CE

triadic

#688BCE #CE688B #8BCE68

tetradic

#688BCE #CE68BE #CEAB68 #68CE78

square

#688BCE #CE68BE #CEAB68 #68CE78

split-complementary

#688BCE #CE7868 #BECE68

monochromatic

#2E4F8E #3D68BC #688BCE #96AEDD #C4D2EC

Accessibility & contrast

On white

3.40

#688BCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#688BCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BCE

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BCE	#FFFFFF	#000000	##000000
##688BCE	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7190D1

Deuteranopia (green-blind)

#6687CD

Tritanopia (blue-blind)

#3B99A3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #688bce;
/* rgb */ color: rgb(104, 139, 206);
/* oklch */ color: oklch(63.9% 0.109 262.6);

Tailwind

colors: {
  custom: {
    50: '#99acdd',
    500: '#688bce',
    950: '#000000',
  },
}

SCSS

$custom: #688bce;
$custom-light: #99acdd;
$custom-dark: #000000;

JSON

{
  "hex": "#688bce",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 206
  },
  "hsl": {
    "h": 219.412,
    "s": 51,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63906,
    "c": 0.10873,
    "h": 262.6
  },
  "luminance": 0.25865
}

Semantic roles & 50–950 ramp

primary

#688BCE

secondary

#DCCFB6

accent

#8A27BE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688BCE

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

Preview Lab → · Contrast checker → · Palette generator →