#6370D5#6370D5

#6370D5 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.4% C 0.154 H 275.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#6370D5
RGB	rgb(99, 112, 213)
HSL	hsl(233, 58%, 61%)
HSV	hsv(233, 54%, 84%)
CMYK	cmyk(53.5%, 47.4%, 0%, 16.5%)
CIE-LAB	lab(50.74, 23.67, -53.69)
CIE-LCH	lch(50.74, 58.67, 293.79°)
OKLab	oklab(58.44% 0.0136 -0.153)
OKLCH	oklch(58.44% 0.154 275.1)
XYZ	xyz(22.9462, 19.0436, 65.4045)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370D5 #D5C863

analogous

#63A9D5 #6370D5 #8F63D5

triadic

#6370D5 #D56370 #70D563

tetradic

#6370D5 #D563A9 #D5C863 #63D58F

square

#6370D5 #D563A9 #D5C863 #63D58F

split-complementary

#6370D5 #D58F63 #A9D563

monochromatic

#283595 #3546C6 #6370D5 #939CE2 #C3C8EF

Accessibility & contrast

On white

4.37

#6370D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#6370D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370D5

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370D5	#FFFFFF	#000000	##000000
##6370D5	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417ED9

Deuteranopia (green-blind)

#3374D3

Tritanopia (blue-blind)

#2C8698

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6370d5;
/* rgb */ color: rgb(99, 112, 213);
/* oklch */ color: oklch(58.4% 0.154 275.1);

Tailwind

colors: {
  custom: {
    50: '#9798e2',
    500: '#6370d5',
    950: '#000000',
  },
}

SCSS

$custom: #6370d5;
$custom-light: #9798e2;
$custom-dark: #000000;

JSON

{
  "hex": "#6370d5",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 213
  },
  "hsl": {
    "h": 233.158,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58435,
    "c": 0.15359,
    "h": 275.1
  },
  "luminance": 0.19045
}

Semantic roles & 50–950 ramp

primary

#6370D5

secondary

#DFDAB4

accent

#B220C5

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #6370D5

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

Preview Lab → · Contrast checker → · Palette generator →