#30338B#30338B

#30338B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.143 H 275.6°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#30338B
RGB	rgb(48, 51, 139)
HSL	hsl(238, 49%, 37%)
HSV	hsv(238, 65%, 55%)
CMYK	cmyk(65.5%, 63.3%, 0%, 45.5%)
CIE-LAB	lab(26.33, 27.73, -49.46)
CIE-LCH	lch(26.33, 56.71, 299.28°)
OKLab	oklab(37.62% 0.014 -0.1425)
OKLCH	oklch(37.62% 0.143 275.6)
XYZ	xyz(7.0614, 4.8595, 24.9869)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30338B #8B8830

analogous

#30618B #30338B #5B308B

triadic

#30338B #8B3033 #338B30

tetradic

#30338B #8B3061 #8B8830 #308B5B

square

#30338B #8B3061 #8B8830 #308B5B

split-complementary

#30338B #8B5B30 #618B30

monochromatic

#111230 #20225E #30338B #4044B8 #6A6DCC

Accessibility & contrast

On white

10.65

#30338B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#30338B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30338B

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30338B	#FFFFFF	#000000	##FFFFFF
##30338B	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#003A89

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #30338b;
/* rgb */ color: rgb(48, 51, 139);
/* oklch */ color: oklch(37.6% 0.143 275.6);

Tailwind

colors: {
  custom: {
    50: '#746bae',
    500: '#30338b',
    950: '#000000',
  },
}

SCSS

$custom: #30338b;
$custom-light: #746bae;
$custom-dark: #000000;

JSON

{
  "hex": "#30338b",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 139
  },
  "hsl": {
    "h": 238.022,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37616,
    "c": 0.14315,
    "h": 275.6
  },
  "luminance": 0.0486
}

Semantic roles & 50–950 ramp

primary

#30338B

secondary

#B3B064

accent

#D450D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #30338B

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

Preview Lab → · Contrast checker → · Palette generator →