#30349B#30349B

#30349B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.164 H 274.2°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#30349B
RGB	rgb(48, 52, 155)
HSL	hsl(238, 53%, 40%)
HSV	hsv(238, 69%, 61%)
CMYK	cmyk(69%, 66.5%, 0%, 39.2%)
CIE-LAB	lab(27.98, 32.80, -56.61)
CIE-LCH	lch(27.98, 65.42, 300.09°)
OKLab	oklab(39.26% 0.012 -0.1634)
OKLCH	oklch(39.26% 0.164 274.2)
XYZ	xyz(8.3613, 5.4502, 31.6153)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30349B #9B9730

analogous

#306A9B #30349B #62309B

triadic

#30349B #9B3034 #349B30

tetradic

#30349B #9B306A #9B9730 #309B62

square

#30349B #9B306A #9B9730 #309B62

split-complementary

#30349B #9B6230 #6A9B30

monochromatic

#13153E #22246C #30349B #4348C5 #7276D3

Accessibility & contrast

On white

10.05

#30349B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#30349B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30349B

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30349B	#FFFFFF	#000000	##FFFFFF
##30349B	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #30349b;
/* rgb */ color: rgb(48, 52, 155);
/* oklch */ color: oklch(39.3% 0.164 274.2);

Tailwind

colors: {
  custom: {
    50: '#776cb9',
    500: '#30349b',
    950: '#000000',
  },
}

SCSS

$custom: #30349b;
$custom-light: #776cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#30349b",
  "rgb": {
    "r": 48,
    "g": 52,
    "b": 155
  },
  "hsl": {
    "h": 237.757,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39258,
    "c": 0.16386,
    "h": 274.2
  },
  "luminance": 0.05451
}

Semantic roles & 50–950 ramp

primary

#30349B

secondary

#BBB86C

accent

#D74CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30349B

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

Preview Lab → · Contrast checker → · Palette generator →