#688DDA#688DDA

#688DDA is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.0% C 0.123 H 263.8°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#688DDA
RGB	rgb(104, 141, 218)
HSL	hsl(221, 61%, 63%)
HSV	hsv(221, 52%, 85%)
CMYK	cmyk(52.3%, 35.3%, 0%, 14.5%)
CIE-LAB	lab(59.02, 8.86, -43.32)
CIE-LCH	lch(59.02, 44.22, 281.56°)
OKLab	oklab(64.96% -0.0132 -0.1223)
OKLCH	oklch(64.96% 0.123 263.8)
XYZ	xyz(27.8844, 27.0527, 70.0684)
Luminance	0.2706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DDA #DAB568

analogous

#68C6DA #688DDA #7C68DA

triadic

#688DDA #DA688D #8DDA68

tetradic

#688DDA #DA68C6 #DAB568 #68DA7C

square

#688DDA #DA68C6 #DAB568 #68DA7C

split-complementary

#688DDA #DA7C68 #C6DA68

monochromatic

#274FA0 #3768CE #688DDA #99B2E6 #CAD7F2

Accessibility & contrast

On white

3.28

#688DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#688DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DDA

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DDA	#FFFFFF	#000000	##000000
##688DDA	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F94DD

Deuteranopia (green-blind)

#6189D8

Tritanopia (blue-blind)

#2F9EA9

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688dda;
/* rgb */ color: rgb(104, 141, 218);
/* oklch */ color: oklch(65.0% 0.123 263.8);

Tailwind

colors: {
  custom: {
    50: '#9aaee6',
    500: '#688dda',
    950: '#000000',
  },
}

SCSS

$custom: #688dda;
$custom-light: #9aaee6;
$custom-dark: #000000;

JSON

{
  "hex": "#688dda",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 218
  },
  "hsl": {
    "h": 220.526,
    "s": 60.638,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6496,
    "c": 0.12301,
    "h": 263.8
  },
  "luminance": 0.27055
}

Semantic roles & 50–950 ramp

primary

#688DDA

secondary

#E3D6BA

accent

#911DC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #688DDA

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

Preview Lab → · Contrast checker → · Palette generator →