#678BF4#678BF4

#678BF4 is a light, vivid blue. Relative luminance 0.279; OKLCH L 66.0% C 0.161 H 267.6°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#678BF4
RGB	rgb(103, 139, 244)
HSL	hsl(225, 87%, 68%)
HSV	hsv(225, 58%, 96%)
CMYK	cmyk(57.8%, 43%, 0%, 4.3%)
CIE-LAB	lab(59.78, 18.10, -56.56)
CIE-LCH	lch(59.78, 59.39, 287.74°)
OKLab	oklab(65.97% -0.0067 -0.1611)
OKLCH	oklch(65.97% 0.161 267.6)
XYZ	xyz(31.1498, 27.8779, 89.3099)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BF4 #F4D067

analogous

#67D1F4 #678BF4 #8967F4

triadic

#678BF4 #F4678B #8BF467

tetradic

#678BF4 #F467D1 #F4D067 #67F489

square

#678BF4 #F467D1 #F4D067 #67F489

split-complementary

#678BF4 #F48967 #D1F467

monochromatic

#0F41D1 #2E5FF0 #678BF4 #A0B7F8 #D9E2FC

Accessibility & contrast

On white

3.19

#678BF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#678BF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BF4

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BF4	#FFFFFF	#000000	##000000
##678BF4	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C97F8

Deuteranopia (green-blind)

#498AF2

Tritanopia (blue-blind)

#00A2B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678bf4;
/* rgb */ color: rgb(103, 139, 244);
/* oklch */ color: oklch(66.0% 0.161 267.6);

Tailwind

colors: {
  custom: {
    50: '#9dacf8',
    500: '#678bf4',
    950: '#000000',
  },
}

SCSS

$custom: #678bf4;
$custom-light: #9dacf8;
$custom-dark: #000000;

JSON

{
  "hex": "#678bf4",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 244
  },
  "hsl": {
    "h": 224.681,
    "s": 86.503,
    "l": 68.039
  },
  "oklch": {
    "l": 0.65966,
    "c": 0.16122,
    "h": 267.6
  },
  "luminance": 0.2788
}

Semantic roles & 50–950 ramp

primary

#678BF4

secondary

#F1E6C6

accent

#AA02E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678BF4

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

Preview Lab → · Contrast checker → · Palette generator →