#30409E#30409E

#30409E is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.8% C 0.153 H 270.9°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#30409E
RGB	rgb(48, 64, 158)
HSL	hsl(231, 53%, 40%)
HSV	hsv(231, 70%, 62%)
CMYK	cmyk(69.6%, 59.5%, 0%, 38%)
CIE-LAB	lab(31.26, 26.04, -53.08)
CIE-LCH	lch(31.26, 59.12, 296.14°)
OKLab	oklab(41.75% 0.0024 -0.153)
OKLCH	oklch(41.75% 0.153 270.9)
XYZ	xyz(9.2218, 6.7629, 33.1605)
Luminance	0.0676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30409E #9E8E30

analogous

#30779E #30409E #57309E

triadic

#30409E #9E3040 #409E30

tetradic

#30409E #9E3077 #9E8E30 #309E57

square

#30409E #9E3077 #9E8E30 #309E57

split-complementary

#30409E #9E5730 #779E30

monochromatic

#131A40 #222D6F #30409E #4558C6 #7482D5

Accessibility & contrast

On white

8.93

#30409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#30409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30409E

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30409E	#FFFFFF	#000000	##FFFFFF
##30409E	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA1

Deuteranopia (green-blind)

#00459C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #30409e;
/* rgb */ color: rgb(48, 64, 158);
/* oklch */ color: oklch(41.8% 0.153 270.9);

Tailwind

colors: {
  custom: {
    50: '#7774bb',
    500: '#30409e',
    950: '#000000',
  },
}

SCSS

$custom: #30409e;
$custom-light: #7774bb;
$custom-dark: #000000;

JSON

{
  "hex": "#30409e",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 231.273,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41753,
    "c": 0.15298,
    "h": 270.9
  },
  "luminance": 0.06764
}

Semantic roles & 50–950 ramp

primary

#30409E

secondary

#BDB16D

accent

#C84BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #30409E

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

Preview Lab → · Contrast checker → · Palette generator →