#30379A#30379A

#30379A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.7% C 0.159 H 273.5°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#30379A
RGB	rgb(48, 55, 154)
HSL	hsl(236, 52%, 40%)
HSV	hsv(236, 69%, 60%)
CMYK	cmyk(68.8%, 64.3%, 0%, 39.6%)
CIE-LAB	lab(28.62, 30.51, -54.94)
CIE-LCH	lch(28.62, 62.85, 299.04°)
OKLab	oklab(39.7% 0.0098 -0.1585)
OKLCH	oklch(39.7% 0.159 273.5)
XYZ	xyz(8.4159, 5.6931, 31.2209)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30379A #9A9330

analogous

#306C9A #30379A #5E309A

triadic

#30379A #9A3037 #379A30

tetradic

#30379A #9A306C #9A9330 #309A5E

square

#30379A #9A306C #9A9330 #309A5E

split-complementary

#30379A #9A5E30 #6C9A30

monochromatic

#13163D #21266B #30379A #434BC4 #7278D3

Accessibility & contrast

On white

9.82

#30379A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#30379A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30379A

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30379A	#FFFFFF	#000000	##FFFFFF
##30379A	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489D

Deuteranopia (green-blind)

#003F98

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #30379a;
/* rgb */ color: rgb(48, 55, 154);
/* oklch */ color: oklch(39.7% 0.159 273.5);

Tailwind

colors: {
  custom: {
    50: '#766eb9',
    500: '#30379a',
    950: '#000000',
  },
}

SCSS

$custom: #30379a;
$custom-light: #766eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#30379a",
  "rgb": {
    "r": 48,
    "g": 55,
    "b": 154
  },
  "hsl": {
    "h": 236.038,
    "s": 52.475,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39701,
    "c": 0.15883,
    "h": 273.5
  },
  "luminance": 0.05694
}

Semantic roles & 50–950 ramp

primary

#30379A

secondary

#BBB56B

accent

#D24CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #30379A

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

Preview Lab → · Contrast checker → · Palette generator →