#6370EE#6370EE

#6370EE is a mid, vivid blue. Relative luminance 0.204; OKLCH L 60.1% C 0.188 H 274.8°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#6370EE
RGB	rgb(99, 112, 238)
HSL	hsl(234, 80%, 66%)
HSV	hsv(234, 58%, 93%)
CMYK	cmyk(58.4%, 52.9%, 0%, 6.7%)
CIE-LAB	lab(52.30, 31.70, -65.25)
CIE-LCH	lch(52.30, 72.54, 295.91°)
OKLab	oklab(60.11% 0.0158 -0.187)
OKLCH	oklch(60.11% 0.188 274.8)
XYZ	xyz(26.3673, 20.4120, 83.4228)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370EE #EEE163

analogous

#63B6EE #6370EE #9B63EE

triadic

#6370EE #EE6370 #70EE63

tetradic

#6370EE #EE63B6 #EEE163 #63EE9B

square

#6370EE #EE63B6 #EEE163 #63EE9B

split-complementary

#6370EE #EE9B63 #B6EE63

monochromatic

#1525C2 #2C3DE8 #6370EE #9AA3F4 #D1D5FA

Accessibility & contrast

On white

4.13

#6370EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#6370EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370EE

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370EE	#FFFFFF	#000000	##000000
##6370EE	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2083F2

Deuteranopia (green-blind)

#0077EB

Tritanopia (blue-blind)

#008DA4

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #6370ee;
/* rgb */ color: rgb(99, 112, 238);
/* oklch */ color: oklch(60.1% 0.188 274.8);

Tailwind

colors: {
  custom: {
    50: '#9b99f4',
    500: '#6370ee',
    950: '#000000',
  },
}

SCSS

$custom: #6370ee;
$custom-light: #9b99f4;
$custom-dark: #000000;

JSON

{
  "hex": "#6370ee",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 238
  },
  "hsl": {
    "h": 234.388,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.60113,
    "c": 0.18766,
    "h": 274.8
  },
  "luminance": 0.20414
}

Semantic roles & 50–950 ramp

primary

#6370EE

secondary

#EDE9C0

accent

#C909DD

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #6370EE

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

Preview Lab → · Contrast checker → · Palette generator →