#30409B#30409B

#30409B is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.149 H 270.9°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#30409B
RGB	rgb(48, 64, 155)
HSL	hsl(231, 53%, 40%)
HSV	hsv(231, 69%, 61%)
CMYK	cmyk(69%, 58.7%, 0%, 39.2%)
CIE-LAB	lab(31.02, 24.93, -51.65)
CIE-LCH	lch(31.02, 57.35, 295.77°)
OKLab	oklab(41.5% 0.0023 -0.1487)
OKLCH	oklch(41.5% 0.149 270.9)
XYZ	xyz(8.9667, 6.6609, 31.8171)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30409B #9B8B30

analogous

#30769B #30409B #56309B

triadic

#30409B #9B3040 #409B30

tetradic

#30409B #9B3076 #9B8B30 #309B56

square

#30409B #9B3076 #9B8B30 #309B56

split-complementary

#30409B #9B5630 #769B30

monochromatic

#13193E #222D6C #30409B #4357C5 #7281D3

Accessibility & contrast

On white

9.00

#30409B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#30409B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30409B

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30409B	#FFFFFF	#000000	##FFFFFF
##30409B	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#004499

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #30409b;
/* rgb */ color: rgb(48, 64, 155);
/* oklch */ color: oklch(41.5% 0.149 270.9);

Tailwind

colors: {
  custom: {
    50: '#7674b9',
    500: '#30409b',
    950: '#000000',
  },
}

SCSS

$custom: #30409b;
$custom-light: #7674b9;
$custom-dark: #000000;

JSON

{
  "hex": "#30409b",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 155
  },
  "hsl": {
    "h": 231.028,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.415,
    "c": 0.14877,
    "h": 270.9
  },
  "luminance": 0.06662
}

Semantic roles & 50–950 ramp

primary

#30409B

secondary

#BBAF6C

accent

#C74CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #30409B

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

Preview Lab → · Contrast checker → · Palette generator →