#688EF1#688EF1

#688EF1 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.5% C 0.153 H 266.5°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#688EF1
RGB	rgb(104, 142, 241)
HSL	hsl(223, 83%, 68%)
HSV	hsv(223, 57%, 95%)
CMYK	cmyk(56.8%, 41.1%, 0%, 5.5%)
CIE-LAB	lab(60.46, 15.54, -53.82)
CIE-LCH	lch(60.46, 56.02, 286.11°)
OKLab	oklab(66.45% -0.0094 -0.153)
OKLCH	oklch(66.45% 0.153 266.5)
XYZ	xyz(31.2537, 28.6374, 87.0826)
Luminance	0.2864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EF1 #F1CB68

analogous

#68D2F1 #688EF1 #8768F1

triadic

#688EF1 #F1688E #8EF168

tetradic

#688EF1 #F168D2 #F1CB68 #68F187

square

#688EF1 #F168D2 #F1CB68 #68F187

split-complementary

#688EF1 #F18768 #D2F168

monochromatic

#1346CC #3064EC #688EF1 #A0B8F6 #D8E2FB

Accessibility & contrast

On white

3.12

#688EF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#688EF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EF1

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EF1	#FFFFFF	#000000	##000000
##688EF1	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)

#6398F5

Deuteranopia (green-blind)

#518CEF

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688ef1;
/* rgb */ color: rgb(104, 142, 241);
/* oklch */ color: oklch(66.5% 0.153 266.5);

Tailwind

colors: {
  custom: {
    50: '#9daef6',
    500: '#688ef1',
    950: '#000000',
  },
}

SCSS

$custom: #688ef1;
$custom-light: #9daef6;
$custom-dark: #000000;

JSON

{
  "hex": "#688ef1",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 241
  },
  "hsl": {
    "h": 223.358,
    "s": 83.03,
    "l": 67.647
  },
  "oklch": {
    "l": 0.66452,
    "c": 0.15327,
    "h": 266.5
  },
  "luminance": 0.2864
}

Semantic roles & 50–950 ramp

primary

#688EF1

secondary

#F0E4C5

accent

#A306DF

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688EF1

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

Preview Lab → · Contrast checker → · Palette generator →