#688FD8#688FD8

#688FD8 is a light, moderate blue. Relative luminance 0.275; OKLCH L 65.3% C 0.118 H 262.2°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#688FD8
RGB	rgb(104, 143, 216)
HSL	hsl(219, 59%, 63%)
HSV	hsv(219, 52%, 85%)
CMYK	cmyk(51.9%, 33.8%, 0%, 15.3%)
CIE-LAB	lab(59.47, 7.06, -41.49)
CIE-LCH	lch(59.47, 42.09, 279.66°)
OKLab	oklab(65.28% -0.016 -0.117)
OKLCH	oklch(65.28% 0.118 262.2)
XYZ	xyz(27.9219, 27.5438, 68.7976)
Luminance	0.2755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FD8 #D8B168

analogous

#68C7D8 #688FD8 #7968D8

triadic

#688FD8 #D8688F #8FD868

tetradic

#688FD8 #D868C7 #D8B168 #68D879

square

#688FD8 #D868C7 #D8B168 #68D879

split-complementary

#688FD8 #D87968 #C7D868

monochromatic

#29519D #376BCB #688FD8 #99B3E5 #C9D7F1

Accessibility & contrast

On white

3.23

#688FD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#688FD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FD8

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FD8	#FFFFFF	#000000	##000000
##688FD8	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DB

Deuteranopia (green-blind)

#658AD6

Tritanopia (blue-blind)

#309FA9

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688fd8;
/* rgb */ color: rgb(104, 143, 216);
/* oklch */ color: oklch(65.3% 0.118 262.2);

Tailwind

colors: {
  custom: {
    50: '#9aafe4',
    500: '#688fd8',
    950: '#000000',
  },
}

SCSS

$custom: #688fd8;
$custom-light: #9aafe4;
$custom-dark: #000000;

JSON

{
  "hex": "#688fd8",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 216
  },
  "hsl": {
    "h": 219.107,
    "s": 58.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65279,
    "c": 0.11805,
    "h": 262.2
  },
  "luminance": 0.27546
}

Semantic roles & 50–950 ramp

primary

#688FD8

secondary

#E2D4BA

accent

#8C1FC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #688FD8

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

Preview Lab → · Contrast checker → · Palette generator →