#6381CE#6381CE

#6381CE is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.5% C 0.122 H 266.7°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#6381CE
RGB	rgb(99, 129, 206)
HSL	hsl(223, 52%, 60%)
HSV	hsv(223, 52%, 81%)
CMYK	cmyk(51.9%, 37.4%, 0%, 19.2%)
CIE-LAB	lab(54.87, 11.12, -43.14)
CIE-LCH	lch(54.87, 44.55, 284.46°)
OKLab	oklab(61.48% -0.007 -0.1219)
OKLCH	oklch(61.48% 0.122 266.7)
XYZ	xyz(24.1327, 22.8077, 61.5112)
Luminance	0.2281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6381CE #CEB063

analogous

#63B6CE #6381CE #7B63CE

triadic

#6381CE #CE6381 #81CE63

tetradic

#6381CE #CE63B6 #CEB063 #63CE7B

square

#6381CE #CE63B6 #CEB063 #63CE7B

split-complementary

#6381CE #CE7B63 #B6CE63

monochromatic

#2C468B #3A5EBA #6381CE #92A7DD #C0CCEB

Accessibility & contrast

On white

3.78

#6381CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#6381CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6381CE

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6381CE	#FFFFFF	#000000	##000000
##6381CE	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6388D1

Deuteranopia (green-blind)

#567FCC

Tritanopia (blue-blind)

#30929E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6381ce;
/* rgb */ color: rgb(99, 129, 206);
/* oklch */ color: oklch(61.5% 0.122 266.7);

Tailwind

colors: {
  custom: {
    50: '#96a5dd',
    500: '#6381ce',
    950: '#000000',
  },
}

SCSS

$custom: #6381ce;
$custom-light: #96a5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6381ce",
  "rgb": {
    "r": 99,
    "g": 129,
    "b": 206
  },
  "hsl": {
    "h": 223.178,
    "s": 52.195,
    "l": 59.804
  },
  "oklch": {
    "l": 0.61478,
    "c": 0.12214,
    "h": 266.7
  },
  "luminance": 0.22809
}

Semantic roles & 50–950 ramp

primary

#6381CE

secondary

#DBCFB2

accent

#B34CDC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #6381CE

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

Preview Lab → · Contrast checker → · Palette generator →