#688BF1#688BF1

#688BF1 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.8% C 0.157 H 267.7°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#688BF1
RGB	rgb(104, 139, 241)
HSL	hsl(225, 83%, 68%)
HSV	hsv(225, 57%, 95%)
CMYK	cmyk(56.8%, 42.3%, 0%, 5.5%)
CIE-LAB	lab(59.67, 17.33, -55.08)
CIE-LCH	lch(59.67, 57.74, 287.46°)
OKLab	oklab(65.84% -0.0063 -0.1567)
OKLCH	oklch(65.84% 0.157 267.7)
XYZ	xyz(30.8134, 27.7567, 86.9359)
Luminance	0.2776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BF1 #F1CE68

analogous

#68CFF1 #688BF1 #8A68F1

triadic

#688BF1 #F1688B #8BF168

tetradic

#688BF1 #F168CF #F1CE68 #68F18A

square

#688BF1 #F168CF #F1CE68 #68F18A

split-complementary

#688BF1 #F18A68 #CFF168

monochromatic

#1342CC #3060EC #688BF1 #A0B6F6 #D8E1FB

Accessibility & contrast

On white

3.21

#688BF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#688BF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BF1

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BF1	#FFFFFF	#000000	##000000
##688BF1	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E96F5

Deuteranopia (green-blind)

#4C8AEF

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688bf1;
/* rgb */ color: rgb(104, 139, 241);
/* oklch */ color: oklch(65.8% 0.157 267.7);

Tailwind

colors: {
  custom: {
    50: '#9dacf6',
    500: '#688bf1',
    950: '#000000',
  },
}

SCSS

$custom: #688bf1;
$custom-light: #9dacf6;
$custom-dark: #000000;

JSON

{
  "hex": "#688bf1",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 241
  },
  "hsl": {
    "h": 224.672,
    "s": 83.03,
    "l": 67.647
  },
  "oklch": {
    "l": 0.65843,
    "c": 0.15683,
    "h": 267.7
  },
  "luminance": 0.27759
}

Semantic roles & 50–950 ramp

primary

#688BF1

secondary

#F0E5C5

accent

#A806DF

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688BF1

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

Preview Lab → · Contrast checker → · Palette generator →