#688BD5#688BD5

#688BD5 is a light, moderate blue. Relative luminance 0.262; OKLCH L 64.3% C 0.118 H 264.1°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#688BD5
RGB	rgb(104, 139, 213)
HSL	hsl(221, 56%, 62%)
HSV	hsv(221, 51%, 84%)
CMYK	cmyk(51.2%, 34.7%, 0%, 16.5%)
CIE-LAB	lab(58.24, 8.49, -41.76)
CIE-LCH	lch(58.24, 42.61, 281.49°)
OKLab	oklab(64.27% -0.0121 -0.1178)
OKLCH	oklch(64.27% 0.118 264.1)
XYZ	xyz(26.9478, 26.2105, 66.5770)
Luminance	0.2621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BD5 #D5B268

analogous

#68C2D5 #688BD5 #7C68D5

triadic

#688BD5 #D5688B #8BD568

tetradic

#688BD5 #D568C2 #D5B268 #68D57C

square

#688BD5 #D568C2 #D5B268 #68D57C

split-complementary

#688BD5 #D57C68 #C2D568

monochromatic

#2A4E98 #3866C8 #688BD5 #98B0E2 #C8D5F0

Accessibility & contrast

On white

3.36

#688BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#688BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BD5

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BD5	#FFFFFF	#000000	##000000
##688BD5	1.00	3.36	6.24	6.24
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E91D8

Deuteranopia (green-blind)

#6287D3

Tritanopia (blue-blind)

#359BA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #688bd5;
/* rgb */ color: rgb(104, 139, 213);
/* oklch */ color: oklch(64.3% 0.118 264.1);

Tailwind

colors: {
  custom: {
    50: '#99ace2',
    500: '#688bd5',
    950: '#000000',
  },
}

SCSS

$custom: #688bd5;
$custom-light: #99ace2;
$custom-dark: #000000;

JSON

{
  "hex": "#688bd5",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 213
  },
  "hsl": {
    "h": 220.734,
    "s": 56.477,
    "l": 62.157
  },
  "oklch": {
    "l": 0.64271,
    "c": 0.11839,
    "h": 264.1
  },
  "luminance": 0.26212
}

Semantic roles & 50–950 ramp

primary

#688BD5

secondary

#E0D4B8

accent

#9021C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688BD5

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

Preview Lab → · Contrast checker → · Palette generator →