#688FEE#688FEE

#688FEE is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.5% C 0.148 H 265.7°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#688FEE
RGB	rgb(104, 143, 238)
HSL	hsl(223, 80%, 67%)
HSV	hsv(223, 56%, 93%)
CMYK	cmyk(56.3%, 39.9%, 0%, 6.7%)
CIE-LAB	lab(60.57, 13.99, -51.99)
CIE-LCH	lch(60.57, 53.84, 285.06°)
OKLab	oklab(66.48% -0.0111 -0.1476)
OKLCH	oklch(66.48% 0.148 265.7)
XYZ	xyz(30.9588, 28.7586, 84.7919)
Luminance	0.2876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FEE #EEC768

analogous

#68D2EE #688FEE #8468EE

triadic

#688FEE #EE688F #8FEE68

tetradic

#688FEE #EE68D2 #EEC768 #68EE84

square

#688FEE #EE68D2 #EEC768 #68EE84

split-complementary

#688FEE #EE8468 #D2EE68

monochromatic

#1649C5 #3166E8 #688FEE #9FB8F4 #D6E1FA

Accessibility & contrast

On white

3.11

#688FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#688FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FEE

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FEE	#FFFFFF	#000000	##000000
##688FEE	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6799F2

Deuteranopia (green-blind)

#568CEC

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688fee;
/* rgb */ color: rgb(104, 143, 238);
/* oklch */ color: oklch(66.5% 0.148 265.7);

Tailwind

colors: {
  custom: {
    50: '#9caff4',
    500: '#688fee',
    950: '#000000',
  },
}

SCSS

$custom: #688fee;
$custom-light: #9caff4;
$custom-dark: #000000;

JSON

{
  "hex": "#688fee",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 238
  },
  "hsl": {
    "h": 222.537,
    "s": 79.762,
    "l": 67.059
  },
  "oklch": {
    "l": 0.66483,
    "c": 0.14803,
    "h": 265.7
  },
  "luminance": 0.28761
}

Semantic roles & 50–950 ramp

primary

#688FEE

secondary

#EEE2C4

accent

#9F09DC

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688FEE

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

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