#6378EA#6378EA

#6378EA is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.4% C 0.172 H 272.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#6378EA
RGB	rgb(99, 120, 234)
HSL	hsl(231, 76%, 65%)
HSV	hsv(231, 58%, 92%)
CMYK	cmyk(57.7%, 48.7%, 0%, 8.2%)
CIE-LAB	lab(54.05, 25.55, -60.19)
CIE-LCH	lch(54.05, 65.39, 293.00°)
OKLab	oklab(61.35% 0.0075 -0.172)
OKLCH	oklch(61.35% 0.172 272.5)
XYZ	xyz(26.7085, 22.0241, 80.6696)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6378EA #EAD563

analogous

#63BBEA #6378EA #9263EA

triadic

#6378EA #EA6378 #78EA63

tetradic

#6378EA #EA63BB #EAD563 #63EA92

square

#6378EA #EA63BB #EAD563 #63EA92

split-complementary

#6378EA #EA9263 #BBEA63

monochromatic

#1932BA #2D49E3 #6378EA #99A7F1 #CFD5F9

Accessibility & contrast

On white

3.89

#6378EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#6378EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6378EA

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6378EA	#FFFFFF	#000000	##000000
##6378EA	1.00	3.89	5.41	5.41
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E87EE

Deuteranopia (green-blind)

#277CE8

Tritanopia (blue-blind)

#0092A6

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #6378ea;
/* rgb */ color: rgb(99, 120, 234);
/* oklch */ color: oklch(61.4% 0.172 272.5);

Tailwind

colors: {
  custom: {
    50: '#9a9ef1',
    500: '#6378ea',
    950: '#000000',
  },
}

SCSS

$custom: #6378ea;
$custom-light: #9a9ef1;
$custom-dark: #000000;

JSON

{
  "hex": "#6378ea",
  "rgb": {
    "r": 99,
    "g": 120,
    "b": 234
  },
  "hsl": {
    "h": 230.667,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.61354,
    "c": 0.17219,
    "h": 272.5
  },
  "luminance": 0.22026
}

Semantic roles & 50–950 ramp

primary

#6378EA

secondary

#EBE4BE

accent

#B90DD8

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6378EA

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

Preview Lab → · Contrast checker → · Palette generator →