#30347B#30347B

#30347B is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.4% C 0.119 H 276.3°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#30347B
RGB	rgb(48, 52, 123)
HSL	hsl(237, 44%, 34%)
HSV	hsv(237, 61%, 48%)
CMYK	cmyk(61%, 57.7%, 0%, 51.8%)
CIE-LAB	lab(25.30, 21.29, -41.11)
CIE-LCH	lch(25.30, 46.30, 297.37°)
OKLab	oklab(36.45% 0.0131 -0.1179)
OKLCH	oklch(36.45% 0.119 276.3)
XYZ	xyz(6.0209, 4.5140, 19.2891)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30347B #7B7730

analogous

#30597B #30347B #51307B

triadic

#30347B #7B3034 #347B30

tetradic

#30347B #7B3059 #7B7730 #307B51

square

#30347B #7B3059 #7B7730 #307B51

split-complementary

#30347B #7B5130 #597B30

monochromatic

#0E0F23 #1F214F #30347B #4147A7 #6368C2

Accessibility & contrast

On white

11.04

#30347B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#30347B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30347B

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30347B	#FFFFFF	#000000	##FFFFFF
##30347B	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #30347b;
/* rgb */ color: rgb(48, 52, 123);
/* oklch */ color: oklch(36.4% 0.119 276.3);

Tailwind

colors: {
  custom: {
    50: '#706ba2',
    500: '#30347b',
    950: '#000000',
  },
}

SCSS

$custom: #30347b;
$custom-light: #706ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#30347b",
  "rgb": {
    "r": 48,
    "g": 52,
    "b": 123
  },
  "hsl": {
    "h": 236.8,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36448,
    "c": 0.11865,
    "h": 276.3
  },
  "luminance": 0.04514
}

Semantic roles & 50–950 ramp

primary

#30347B

secondary

#A9A55D

accent

#CD54D4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #30347B

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

Preview Lab → · Contrast checker → · Palette generator →