#30439E#30439E

#30439E is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.3% C 0.149 H 269.9°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#30439E
RGB	rgb(48, 67, 158)
HSL	hsl(230, 53%, 40%)
HSV	hsv(230, 70%, 62%)
CMYK	cmyk(69.6%, 57.6%, 0%, 38%)
CIE-LAB	lab(32.06, 24.05, -51.78)
CIE-LCH	lch(32.06, 57.09, 294.91°)
OKLab	oklab(42.35% -0.0002 -0.1491)
OKLCH	oklch(42.35% 0.149 269.9)
XYZ	xyz(9.3955, 7.1104, 33.2184)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30439E #9E8B30

analogous

#307A9E #30439E #54309E

triadic

#30439E #9E3043 #439E30

tetradic

#30439E #9E307A #9E8B30 #309E54

square

#30439E #9E307A #9E8B30 #309E54

split-complementary

#30439E #9E5430 #7A9E30

monochromatic

#131B40 #222F6F #30439E #455BC6 #7484D5

Accessibility & contrast

On white

8.67

#30439E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#30439E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30439E

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30439E	#FFFFFF	#000000	##FFFFFF
##30439E	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A1

Deuteranopia (green-blind)

#00479C

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #30439e;
/* rgb */ color: rgb(48, 67, 158);
/* oklch */ color: oklch(42.3% 0.149 269.9);

Tailwind

colors: {
  custom: {
    50: '#7676bb',
    500: '#30439e',
    950: '#000000',
  },
}

SCSS

$custom: #30439e;
$custom-light: #7676bb;
$custom-dark: #000000;

JSON

{
  "hex": "#30439e",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 158
  },
  "hsl": {
    "h": 229.636,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42347,
    "c": 0.14911,
    "h": 269.9
  },
  "luminance": 0.07111
}

Semantic roles & 50–950 ramp

primary

#30439E

secondary

#BDAF6D

accent

#C44BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #30439E

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

Preview Lab → · Contrast checker → · Palette generator →