#678FF4#678FF4

#678FF4 is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.8% C 0.156 H 266.0°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#678FF4
RGB	rgb(103, 143, 244)
HSL	hsl(223, 87%, 68%)
HSV	hsv(223, 58%, 96%)
CMYK	cmyk(57.8%, 41.4%, 0%, 4.3%)
CIE-LAB	lab(60.83, 15.72, -54.88)
CIE-LCH	lch(60.83, 57.09, 285.98°)
OKLab	oklab(66.78% -0.0109 -0.1561)
OKLCH	oklch(66.78% 0.156 266)
XYZ	xyz(31.7396, 29.0576, 89.5065)
Luminance	0.2906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678FF4 #F4CC67

analogous

#67D5F4 #678FF4 #8567F4

triadic

#678FF4 #F4678F #8FF467

tetradic

#678FF4 #F467D5 #F4CC67 #67F485

square

#678FF4 #F467D5 #F4CC67 #67F485

split-complementary

#678FF4 #F48567 #D5F467

monochromatic

#0F46D1 #2E65F0 #678FF4 #A0B9F8 #D9E3FC

Accessibility & contrast

On white

3.08

#678FF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#678FF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FF4

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678FF4	#FFFFFF	#000000	##000000
##678FF4	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	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: #678ff4;
/* rgb */ color: rgb(103, 143, 244);
/* oklch */ color: oklch(66.8% 0.156 266.0);

Tailwind

colors: {
  custom: {
    50: '#9daff8',
    500: '#678ff4',
    950: '#000000',
  },
}

SCSS

$custom: #678ff4;
$custom-light: #9daff8;
$custom-dark: #000000;

JSON

{
  "hex": "#678ff4",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 244
  },
  "hsl": {
    "h": 222.979,
    "s": 86.503,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66776,
    "c": 0.15649,
    "h": 266
  },
  "luminance": 0.2906
}

Semantic roles & 50–950 ramp

primary

#678FF4

secondary

#F1E5C6

accent

#A302E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678FF4

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

Preview Lab → · Contrast checker → · Palette generator →