#30366F#30366F

#30366F is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.9% C 0.097 H 275.8°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#30366F
RGB	rgb(48, 54, 111)
HSL	hsl(234, 40%, 31%)
HSV	hsv(234, 57%, 44%)
CMYK	cmyk(56.8%, 51.4%, 0%, 56.5%)
CIE-LAB	lab(25.00, 15.59, -33.98)
CIE-LCH	lch(25.00, 37.38, 294.64°)
OKLab	oklab(35.94% 0.0099 -0.0969)
OKLCH	oklch(35.94% 0.097 275.8)
XYZ	xyz(5.4064, 4.4141, 15.6030)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30366F #6F6930

analogous

#30556F #30366F #49306F

triadic

#30366F #6F3036 #366F30

tetradic

#30366F #6F3055 #6F6930 #306F49

square

#30366F #6F3055 #6F6930 #306F49

split-complementary

#30366F #6F4930 #556F30

monochromatic

#0B0C1A #1E2144 #30366F #424B9A #5F68BA

Accessibility & contrast

On white

11.15

#30366F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#30366F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30366F

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30366F	#FFFFFF	#000000	##FFFFFF
##30366F	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3E71

Deuteranopia (green-blind)

#13396E

Tritanopia (blue-blind)

#12434D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #30366f;
/* rgb */ color: rgb(48, 54, 111);
/* oklch */ color: oklch(35.9% 0.097 275.8);

Tailwind

colors: {
  custom: {
    50: '#6e6c99',
    500: '#30366f',
    950: '#000000',
  },
}

SCSS

$custom: #30366f;
$custom-light: #6e6c99;
$custom-dark: #000000;

JSON

{
  "hex": "#30366f",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 111
  },
  "hsl": {
    "h": 234.286,
    "s": 39.623,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3594,
    "c": 0.0974,
    "h": 275.8
  },
  "luminance": 0.04414
}

Semantic roles & 50–950 ramp

primary

#30366F

secondary

#A09A5B

accent

#C458D0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #30366F

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

Preview Lab → · Contrast checker → · Palette generator →