#303671#303671

#303671 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.101 H 275.8°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#303671
RGB	rgb(48, 54, 113)
HSL	hsl(234, 40%, 32%)
HSV	hsv(234, 58%, 44%)
CMYK	cmyk(57.5%, 52.2%, 0%, 55.7%)
CIE-LAB	lab(25.13, 16.31, -35.04)
CIE-LCH	lch(25.13, 38.64, 294.96°)
OKLab	oklab(36.09% 0.0101 -0.1)
OKLCH	oklch(36.09% 0.101 275.8)
XYZ	xyz(5.5178, 4.4586, 16.1894)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303671 #716B30

analogous

#305771 #303671 #4B3071

triadic

#303671 #713036 #367130

tetradic

#303671 #713057 #716B30 #30714B

square

#303671 #713057 #716B30 #30714B

split-complementary

#303671 #714B30 #577130

monochromatic

#0C0D1B #1E2146 #303671 #424B9C #6068BB

Accessibility & contrast

On white

11.10

#303671 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#303671 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303671

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303671	#FFFFFF	#000000	##FFFFFF
##303671	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193E73

Deuteranopia (green-blind)

#0F3970

Tritanopia (blue-blind)

#0F434E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #303671;
/* rgb */ color: rgb(48, 54, 113);
/* oklch */ color: oklch(36.1% 0.101 275.8);

Tailwind

colors: {
  custom: {
    50: '#6e6c9a',
    500: '#303671',
    950: '#000000',
  },
}

SCSS

$custom: #303671;
$custom-light: #6e6c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#303671",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 113
  },
  "hsl": {
    "h": 234.462,
    "s": 40.373,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36088,
    "c": 0.10052,
    "h": 275.8
  },
  "luminance": 0.04459
}

Semantic roles & 50–950 ramp

primary

#303671

secondary

#A29C5B

accent

#C558D0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #303671

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

Preview Lab → · Contrast checker → · Palette generator →