#688CEE#688CEE

#688CEE is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.9% C 0.152 H 267.0°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#688CEE
RGB	rgb(104, 140, 238)
HSL	hsl(224, 80%, 67%)
HSV	hsv(224, 56%, 93%)
CMYK	cmyk(56.3%, 41.2%, 0%, 6.7%)
CIE-LAB	lab(59.77, 15.77, -53.26)
CIE-LCH	lch(59.77, 55.54, 286.49°)
OKLab	oklab(65.87% -0.0079 -0.1514)
OKLCH	oklch(65.87% 0.152 267)
XYZ	xyz(30.5144, 27.8699, 84.6438)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CEE #EECA68

analogous

#68CFEE #688CEE #8768EE

triadic

#688CEE #EE688C #8CEE68

tetradic

#688CEE #EE68CF #EECA68 #68EE87

square

#688CEE #EE68CF #EECA68 #68EE87

split-complementary

#688CEE #EE8768 #CFEE68

monochromatic

#1645C5 #3162E8 #688CEE #9FB6F4 #D6E0FA

Accessibility & contrast

On white

3.19

#688CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#688CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CEE

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CEE	#FFFFFF	#000000	##000000
##688CEE	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6296F2

Deuteranopia (green-blind)

#518AEC

Tritanopia (blue-blind)

#03A2B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688cee;
/* rgb */ color: rgb(104, 140, 238);
/* oklch */ color: oklch(65.9% 0.152 267.0);

Tailwind

colors: {
  custom: {
    50: '#9cadf4',
    500: '#688cee',
    950: '#000000',
  },
}

SCSS

$custom: #688cee;
$custom-light: #9cadf4;
$custom-dark: #000000;

JSON

{
  "hex": "#688cee",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 238
  },
  "hsl": {
    "h": 223.881,
    "s": 79.762,
    "l": 67.059
  },
  "oklch": {
    "l": 0.65869,
    "c": 0.15155,
    "h": 267
  },
  "luminance": 0.27872
}

Semantic roles & 50–950 ramp

primary

#688CEE

secondary

#EEE3C4

accent

#A309DC

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688CEE

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

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