#30408F#30408F

#30408F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.132 H 270.8°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#30408F
RGB	rgb(48, 64, 143)
HSL	hsl(230, 50%, 37%)
HSV	hsv(230, 66%, 56%)
CMYK	cmyk(66.4%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(30.10, 20.48, -45.81)
CIE-LCH	lch(30.10, 50.18, 294.09°)
OKLab	oklab(40.52% 0.0018 -0.1316)
OKLCH	oklch(40.52% 0.132 270.8)
XYZ	xyz(8.0086, 6.2776, 26.7709)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30408F #8F7F30

analogous

#306F8F #30408F #50308F

triadic

#30408F #8F3040 #408F30

tetradic

#30408F #8F306F #8F7F30 #308F50

square

#30408F #8F306F #8F7F30 #308F50

split-complementary

#30408F #8F5030 #6F8F30

monochromatic

#111733 #212B61 #30408F #3F55BD #6C7CCE

Accessibility & contrast

On white

9.31

#30408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#30408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30408F

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30408F	#FFFFFF	#000000	##FFFFFF
##30408F	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074B92

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #30408f;
/* rgb */ color: rgb(48, 64, 143);
/* oklch */ color: oklch(40.5% 0.132 270.8);

Tailwind

colors: {
  custom: {
    50: '#7374b0',
    500: '#30408f',
    950: '#000000',
  },
}

SCSS

$custom: #30408f;
$custom-light: #7374b0;
$custom-dark: #000000;

JSON

{
  "hex": "#30408f",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 229.895,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40521,
    "c": 0.13159,
    "h": 270.8
  },
  "luminance": 0.06278
}

Semantic roles & 50–950 ramp

primary

#30408F

secondary

#B5A866

accent

#C24FD9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #30408F

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

Preview Lab → · Contrast checker → · Palette generator →