#30409D#30409D

#30409D is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.152 H 270.9°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#30409D
RGB	rgb(48, 64, 157)
HSL	hsl(231, 53%, 40%)
HSV	hsv(231, 69%, 62%)
CMYK	cmyk(69.4%, 59.2%, 0%, 38.4%)
CIE-LAB	lab(31.18, 25.67, -52.60)
CIE-LCH	lch(31.18, 58.53, 296.02°)
OKLab	oklab(41.67% 0.0024 -0.1516)
OKLCH	oklch(41.67% 0.152 270.9)
XYZ	xyz(9.1361, 6.7286, 32.7090)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30409D #9D8D30

analogous

#30769D #30409D #57309D

triadic

#30409D #9D3040 #409D30

tetradic

#30409D #9D3076 #9D8D30 #309D57

square

#30409D #9D3076 #9D8D30 #309D57

split-complementary

#30409D #9D5730 #769D30

monochromatic

#131A3F #222D6E #30409D #4457C6 #7381D4

Accessibility & contrast

On white

8.95

#30409D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#30409D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30409D

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30409D	#FFFFFF	#000000	##FFFFFF
##30409D	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA0

Deuteranopia (green-blind)

#00459B

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #30409d;
/* rgb */ color: rgb(48, 64, 157);
/* oklch */ color: oklch(41.7% 0.152 270.9);

Tailwind

colors: {
  custom: {
    50: '#7674bb',
    500: '#30409d',
    950: '#000000',
  },
}

SCSS

$custom: #30409d;
$custom-light: #7674bb;
$custom-dark: #000000;

JSON

{
  "hex": "#30409d",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 157
  },
  "hsl": {
    "h": 231.193,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.41669,
    "c": 0.15158,
    "h": 270.9
  },
  "luminance": 0.06729
}

Semantic roles & 50–950 ramp

primary

#30409D

secondary

#BCB06D

accent

#C74BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #30409D

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

Preview Lab → · Contrast checker → · Palette generator →