#688FF4#688FF4

#688FF4 is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.8% C 0.156 H 266.4°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#688FF4
RGB	rgb(104, 143, 244)
HSL	hsl(223, 86%, 68%)
HSV	hsv(223, 57%, 96%)
CMYK	cmyk(57.4%, 41.4%, 0%, 4.3%)
CIE-LAB	lab(60.88, 15.91, -54.80)
CIE-LCH	lch(60.88, 57.06, 286.19°)
OKLab	oklab(66.83% -0.0099 -0.1558)
OKLCH	oklch(66.83% 0.156 266.4)
XYZ	xyz(31.8550, 29.1171, 89.5119)
Luminance	0.2912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FF4 #F4CD68

analogous

#68D5F4 #688FF4 #8768F4

triadic

#688FF4 #F4688F #8FF468

tetradic

#688FF4 #F468D5 #F4CD68 #68F487

square

#688FF4 #F468D5 #F4CD68 #68F487

split-complementary

#688FF4 #F48768 #D5F468

monochromatic

#0F46D2 #2F65F0 #688FF4 #A1B9F8 #DAE4FC

Accessibility & contrast

On white

3.08

#688FF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#688FF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FF4

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FF4	#FFFFFF	#000000	##000000
##688FF4	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#639AF8

Deuteranopia (green-blind)

#508DF2

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #688ff4;
/* rgb */ color: rgb(104, 143, 244);
/* oklch */ color: oklch(66.8% 0.156 266.4);

Tailwind

colors: {
  custom: {
    50: '#9daff8',
    500: '#688ff4',
    950: '#000000',
  },
}

SCSS

$custom: #688ff4;
$custom-light: #9daff8;
$custom-dark: #000000;

JSON

{
  "hex": "#688ff4",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 244
  },
  "hsl": {
    "h": 223.286,
    "s": 86.42,
    "l": 68.235
  },
  "oklch": {
    "l": 0.6683,
    "c": 0.15615,
    "h": 266.4
  },
  "luminance": 0.2912
}

Semantic roles & 50–950 ramp

primary

#688FF4

secondary

#F1E5C7

accent

#A403E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688FF4

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

Preview Lab → · Contrast checker → · Palette generator →