#6370EC#6370EC

#6370EC is a mid, vivid blue. Relative luminance 0.203; OKLCH L 60.0% C 0.185 H 274.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#6370EC
RGB	rgb(99, 112, 236)
HSL	hsl(234, 78%, 66%)
HSV	hsv(234, 58%, 93%)
CMYK	cmyk(58.1%, 52.5%, 0%, 7.5%)
CIE-LAB	lab(52.17, 31.05, -64.34)
CIE-LCH	lch(52.17, 71.44, 295.76°)
OKLab	oklab(59.97% 0.0157 -0.1843)
OKLCH	oklch(59.97% 0.185 274.9)
XYZ	xyz(26.0752, 20.2952, 81.8839)
Luminance	0.2030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370EC #ECDF63

analogous

#63B4EC #6370EC #9B63EC

triadic

#6370EC #EC6370 #70EC63

tetradic

#6370EC #EC63B4 #ECDF63 #63EC9B

square

#6370EC #EC63B4 #ECDF63 #63EC9B

split-complementary

#6370EC #EC9B63 #B4EC63

monochromatic

#1727BE #2C3EE5 #6370EC #9AA2F3 #D0D4F9

Accessibility & contrast

On white

4.15

#6370EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#6370EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370EC

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370EC	#FFFFFF	#000000	##000000
##6370EC	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2482F0

Deuteranopia (green-blind)

#0077E9

Tritanopia (blue-blind)

#008DA3

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #6370ec;
/* rgb */ color: rgb(99, 112, 236);
/* oklch */ color: oklch(60.0% 0.185 274.9);

Tailwind

colors: {
  custom: {
    50: '#9a99f3',
    500: '#6370ec',
    950: '#000000',
  },
}

SCSS

$custom: #6370ec;
$custom-light: #9a99f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6370ec",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 236
  },
  "hsl": {
    "h": 234.307,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.59974,
    "c": 0.18499,
    "h": 274.9
  },
  "luminance": 0.20297
}

Semantic roles & 50–950 ramp

primary

#6370EC

secondary

#ECE8BF

accent

#C70BDB

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #6370EC

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

Preview Lab → · Contrast checker → · Palette generator →