#688CFA#688CFA

#688CFA is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.6% C 0.168 H 268.0°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#688CFA
RGB	rgb(104, 140, 250)
HSL	hsl(225, 94%, 69%)
HSV	hsv(225, 58%, 98%)
CMYK	cmyk(58.4%, 44%, 0%, 2%)
CIE-LAB	lab(60.43, 19.63, -58.83)
CIE-LCH	lch(60.43, 62.02, 288.45°)
OKLab	oklab(66.58% -0.0058 -0.1677)
OKLCH	oklch(66.58% 0.168 268)
XYZ	xyz(32.3365, 28.5987, 94.2400)
Luminance	0.2860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CFA #FAD668

analogous

#68D5FA #688CFA #8D68FA

triadic

#688CFA #FA688C #8CFA68

tetradic

#688CFA #FA68D5 #FAD668 #68FA8D

square

#688CFA #FA68D5 #FAD668 #68FA8D

split-complementary

#688CFA #FA8D68 #D5FA68

monochromatic

#073DE0 #2D5FF8 #688CFA #A3B9FC #DEE6FE

Accessibility & contrast

On white

3.12

#688CFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#688CFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CFA

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CFA	#FFFFFF	#000000	##000000
##688CFA	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A99FE

Deuteranopia (green-blind)

#448CF8

Tritanopia (blue-blind)

#00A5B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688cfa;
/* rgb */ color: rgb(104, 140, 250);
/* oklch */ color: oklch(66.6% 0.168 268.0);

Tailwind

colors: {
  custom: {
    50: '#9eadfc',
    500: '#688cfa',
    950: '#000000',
  },
}

SCSS

$custom: #688cfa;
$custom-light: #9eadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#688cfa",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 250
  },
  "hsl": {
    "h": 225.205,
    "s": 93.59,
    "l": 69.412
  },
  "oklch": {
    "l": 0.66584,
    "c": 0.1678,
    "h": 268
  },
  "luminance": 0.28601
}

Semantic roles & 50–950 ramp

primary

#688CFA

secondary

#F4EACA

accent

#AD00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #688CFA

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

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