#6370BC#6370BC

#6370BC is a mid, moderate blue. Relative luminance 0.179; OKLCH L 56.9% C 0.118 H 274.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#6370BC
RGB	rgb(99, 112, 188)
HSL	hsl(231, 40%, 56%)
HSV	hsv(231, 47%, 74%)
CMYK	cmyk(47.3%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(49.34, 15.83, -41.61)
CIE-LCH	lch(49.34, 44.52, 290.83°)
OKLab	oklab(56.92% 0.0097 -0.1176)
OKLCH	oklch(56.92% 0.118 274.7)
XYZ	xyz(20.0140, 17.8707, 49.9620)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370BC #BCAF63

analogous

#639DBC #6370BC #8363BC

triadic

#6370BC #BC6370 #70BC63

tetradic

#6370BC #BC639D #BCAF63 #63BC83

square

#6370BC #BC639D #BCAF63 #63BC83

split-complementary

#6370BC #BC8363 #9DBC63

monochromatic

#313B73 #44519E #6370BC #8E97CE #B9BEE1

Accessibility & contrast

On white

4.59

#6370BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#6370BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6370BC

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370BC	#FFFFFF	#000000	##FFFFFF
##6370BC	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#4B72BA

Tritanopia (blue-blind)

#42808D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6370bc;
/* rgb */ color: rgb(99, 112, 188);
/* oklch */ color: oklch(56.9% 0.118 274.7);

Tailwind

colors: {
  custom: {
    50: '#9498d0',
    500: '#6370bc',
    950: '#000000',
  },
}

SCSS

$custom: #6370bc;
$custom-light: #9498d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6370bc",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 231.236,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.56915,
    "c": 0.11799,
    "h": 274.7
  },
  "luminance": 0.17872
}

Semantic roles & 50–950 ramp

primary

#6370BC

secondary

#D0CAAB

accent

#BE58D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #6370BC

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

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