#688FEF#688FEF

#688FEF is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.5% C 0.149 H 265.8°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#688FEF
RGB	rgb(104, 143, 239)
HSL	hsl(223, 81%, 67%)
HSV	hsv(223, 56%, 94%)
CMYK	cmyk(56.5%, 40.2%, 0%, 6.3%)
CIE-LAB	lab(60.62, 14.31, -52.46)
CIE-LCH	lch(60.62, 54.38, 285.25°)
OKLab	oklab(66.54% -0.0109 -0.149)
OKLCH	oklch(66.54% 0.149 265.8)
XYZ	xyz(31.1061, 28.8175, 85.5678)
Luminance	0.2882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FEF #EFC868

analogous

#68D2EF #688FEF #8568EF

triadic

#688FEF #EF688F #8FEF68

tetradic

#688FEF #EF68D2 #EFC868 #68EF85

square

#688FEF #EF68D2 #EFC868 #68EF85

split-complementary

#688FEF #EF8568 #D2EF68

monochromatic

#1549C7 #3166E9 #688FEF #9FB8F5 #D7E1FB

Accessibility & contrast

On white

3.10

#688FEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#688FEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FEF

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FEF	#FFFFFF	#000000	##000000
##688FEF	1.00	3.10	6.76	6.76
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6699F3

Deuteranopia (green-blind)

#558DED

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688fef;
/* rgb */ color: rgb(104, 143, 239);
/* oklch */ color: oklch(66.5% 0.149 265.8);

Tailwind

colors: {
  custom: {
    50: '#9caff5',
    500: '#688fef',
    950: '#000000',
  },
}

SCSS

$custom: #688fef;
$custom-light: #9caff5;
$custom-dark: #000000;

JSON

{
  "hex": "#688fef",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 239
  },
  "hsl": {
    "h": 222.667,
    "s": 80.838,
    "l": 67.255
  },
  "oklch": {
    "l": 0.66541,
    "c": 0.14939,
    "h": 265.8
  },
  "luminance": 0.2882
}

Semantic roles & 50–950 ramp

primary

#688FEF

secondary

#EFE2C4

accent

#A008DD

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688FEF

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

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