#688FEC#688FEC

#688FEC is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.4% C 0.145 H 265.5°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#688FEC
RGB	rgb(104, 143, 236)
HSL	hsl(222, 78%, 67%)
HSV	hsv(222, 56%, 93%)
CMYK	cmyk(55.9%, 39.4%, 0%, 7.5%)
CIE-LAB	lab(60.46, 13.35, -51.05)
CIE-LCH	lch(60.46, 52.77, 284.65°)
OKLab	oklab(66.37% -0.0115 -0.1449)
OKLCH	oklch(66.37% 0.145 265.5)
XYZ	xyz(30.6666, 28.6417, 83.2530)
Luminance	0.2864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FEC #ECC568

analogous

#68D1EC #688FEC #8368EC

triadic

#688FEC #EC688F #8FEC68

tetradic

#688FEC #EC68D1 #ECC568 #68EC83

square

#688FEC #EC68D1 #ECC568 #68EC83

split-complementary

#688FEC #EC8368 #D1EC68

monochromatic

#184AC1 #3267E5 #688FEC #9EB7F3 #D5E0FA

Accessibility & contrast

On white

3.12

#688FEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#688FEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FEC

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FEC	#FFFFFF	#000000	##000000
##688FEC	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6898F0

Deuteranopia (green-blind)

#578CEA

Tritanopia (blue-blind)

#09A3B2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688fec;
/* rgb */ color: rgb(104, 143, 236);
/* oklch */ color: oklch(66.4% 0.145 265.5);

Tailwind

colors: {
  custom: {
    50: '#9caff2',
    500: '#688fec',
    950: '#000000',
  },
}

SCSS

$custom: #688fec;
$custom-light: #9caff2;
$custom-dark: #000000;

JSON

{
  "hex": "#688fec",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 236
  },
  "hsl": {
    "h": 222.273,
    "s": 77.647,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66369,
    "c": 0.14531,
    "h": 265.5
  },
  "luminance": 0.28644
}

Semantic roles & 50–950 ramp

primary

#688FEC

secondary

#EDE1C3

accent

#9D0CDA

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688FEC

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

Preview Lab → · Contrast checker → · Palette generator →