#6370EB#6370EB

#6370EB is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.9% C 0.184 H 274.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#6370EB
RGB	rgb(99, 112, 235)
HSL	hsl(234, 77%, 65%)
HSV	hsv(234, 58%, 92%)
CMYK	cmyk(57.9%, 52.3%, 0%, 7.8%)
CIE-LAB	lab(52.10, 30.73, -63.89)
CIE-LCH	lch(52.10, 70.90, 295.69°)
OKLab	oklab(59.9% 0.0156 -0.183)
OKLCH	oklch(59.9% 0.184 274.9)
XYZ	xyz(25.9303, 20.2372, 81.1209)
Luminance	0.2024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370EB #EBDE63

analogous

#63B4EB #6370EB #9A63EB

triadic

#6370EB #EB6370 #70EB63

tetradic

#6370EB #EB63B4 #EBDE63 #63EB9A

square

#6370EB #EB63B4 #EBDE63 #63EB9A

split-complementary

#6370EB #EB9A63 #B4EB63

monochromatic

#1828BC #2D3EE4 #6370EB #99A2F2 #CFD3F9

Accessibility & contrast

On white

4.16

#6370EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#6370EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370EB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370EB	#FFFFFF	#000000	##000000
##6370EB	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2682EF

Deuteranopia (green-blind)

#0077E8

Tritanopia (blue-blind)

#008CA3

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #6370eb;
/* rgb */ color: rgb(99, 112, 235);
/* oklch */ color: oklch(59.9% 0.184 274.9);

Tailwind

colors: {
  custom: {
    50: '#9a98f2',
    500: '#6370eb',
    950: '#000000',
  },
}

SCSS

$custom: #6370eb;
$custom-light: #9a98f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6370eb",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 235
  },
  "hsl": {
    "h": 234.265,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.59904,
    "c": 0.18366,
    "h": 274.9
  },
  "luminance": 0.20239
}

Semantic roles & 50–950 ramp

primary

#6370EB

secondary

#ECE7BE

accent

#C60CDA

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #6370EB

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

Preview Lab → · Contrast checker → · Palette generator →