#6378DB#6378DB

#6378DB is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.4% C 0.152 H 272.1°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#6378DB
RGB	rgb(99, 120, 219)
HSL	hsl(230, 63%, 62%)
HSV	hsv(230, 55%, 86%)
CMYK	cmyk(54.8%, 45.2%, 0%, 14.1%)
CIE-LAB	lab(53.17, 20.70, -53.20)
CIE-LCH	lch(53.17, 57.08, 291.27°)
OKLab	oklab(60.39% 0.0056 -0.1515)
OKLCH	oklch(60.39% 0.152 272.1)
XYZ	xyz(24.6441, 21.1983, 69.7971)
Luminance	0.2120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6378DB #DBC663

analogous

#63B4DB #6378DB #8A63DB

triadic

#6378DB #DB6378 #78DB63

tetradic

#6378DB #DB63B4 #DBC663 #63DB8A

square

#6378DB #DB63B4 #DBC663 #63DB8A

split-complementary

#6378DB #DB8A63 #B4DB63

monochromatic

#253A9F #314DD0 #6378DB #95A3E6 #C6CEF2

Accessibility & contrast

On white

4.01

#6378DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#6378DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6378DB

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6378DB	#FFFFFF	#000000	##000000
##6378DB	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C84DF

Deuteranopia (green-blind)

#3D7AD9

Tritanopia (blue-blind)

#218E9F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #6378db;
/* rgb */ color: rgb(99, 120, 219);
/* oklch */ color: oklch(60.4% 0.152 272.1);

Tailwind

colors: {
  custom: {
    50: '#989ee7',
    500: '#6378db',
    950: '#000000',
  },
}

SCSS

$custom: #6378db;
$custom-light: #989ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#6378db",
  "rgb": {
    "r": 99,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 229.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.60394,
    "c": 0.15157,
    "h": 272.1
  },
  "luminance": 0.212
}

Semantic roles & 50–950 ramp

primary

#6378DB

secondary

#E3DBB7

accent

#AC1BCA

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #6378DB

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

Preview Lab → · Contrast checker → · Palette generator →