#30337B#30337B

#30337B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.120 H 276.8°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#30337B
RGB	rgb(48, 51, 123)
HSL	hsl(238, 44%, 34%)
HSV	hsv(238, 61%, 48%)
CMYK	cmyk(61%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(25.03, 21.97, -41.55)
CIE-LCH	lch(25.03, 47.00, 297.86°)
OKLab	oklab(36.25% 0.0142 -0.1192)
OKLCH	oklch(36.25% 0.12 276.8)
XYZ	xyz(5.9768, 4.4257, 19.2743)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30337B #7B7830

analogous

#30587B #30337B #52307B

triadic

#30337B #7B3033 #337B30

tetradic

#30337B #7B3058 #7B7830 #307B52

square

#30337B #7B3058 #7B7830 #307B52

split-complementary

#30337B #7B5230 #587B30

monochromatic

#0E0E23 #1F214F #30337B #4145A7 #6367C2

Accessibility & contrast

On white

11.14

#30337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#30337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30337B

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30337B	#FFFFFF	#000000	##FFFFFF
##30337B	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #30337b;
/* rgb */ color: rgb(48, 51, 123);
/* oklch */ color: oklch(36.2% 0.120 276.8);

Tailwind

colors: {
  custom: {
    50: '#706aa2',
    500: '#30337b',
    950: '#000000',
  },
}

SCSS

$custom: #30337b;
$custom-light: #706aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#30337b",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 237.6,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36246,
    "c": 0.12006,
    "h": 276.8
  },
  "luminance": 0.04426
}

Semantic roles & 50–950 ramp

primary

#30337B

secondary

#A9A65D

accent

#CF54D4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #30337B

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

Preview Lab → · Contrast checker → · Palette generator →