#6381CF#6381CF

#6381CF is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.5% C 0.124 H 266.9°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#6381CF
RGB	rgb(99, 129, 207)
HSL	hsl(223, 53%, 60%)
HSV	hsv(223, 52%, 81%)
CMYK	cmyk(52.2%, 37.7%, 0%, 18.8%)
CIE-LAB	lab(54.92, 11.44, -43.62)
CIE-LCH	lch(54.92, 45.10, 284.69°)
OKLab	oklab(61.53% -0.0067 -0.1234)
OKLCH	oklch(61.53% 0.124 266.9)
XYZ	xyz(24.2546, 22.8565, 62.1530)
Luminance	0.2286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6381CF #CFB163

analogous

#63B7CF #6381CF #7B63CF

triadic

#6381CF #CF6381 #81CF63

tetradic

#6381CF #CF63B7 #CFB163 #63CF7B

square

#6381CF #CF63B7 #CFB163 #63CF7B

split-complementary

#6381CF #CF7B63 #B7CF63

monochromatic

#2B468C #3A5EBB #6381CF #92A7DD #C1CDEC

Accessibility & contrast

On white

3.77

#6381CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#6381CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6381CF

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6381CF	#FFFFFF	#000000	##000000
##6381CF	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6289D2

Deuteranopia (green-blind)

#567FCD

Tritanopia (blue-blind)

#2F929E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6381cf;
/* rgb */ color: rgb(99, 129, 207);
/* oklch */ color: oklch(61.5% 0.124 266.9);

Tailwind

colors: {
  custom: {
    50: '#96a5de',
    500: '#6381cf',
    950: '#000000',
  },
}

SCSS

$custom: #6381cf;
$custom-light: #96a5de;
$custom-dark: #000000;

JSON

{
  "hex": "#6381cf",
  "rgb": {
    "r": 99,
    "g": 129,
    "b": 207
  },
  "hsl": {
    "h": 223.333,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.61534,
    "c": 0.12354,
    "h": 266.9
  },
  "luminance": 0.22858
}

Semantic roles & 50–950 ramp

primary

#6381CF

secondary

#DCD0B2

accent

#B44BDC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6381CF

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

Preview Lab → · Contrast checker → · Palette generator →