#301AA0#301AA0

#301AA0 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.1% C 0.196 H 277.6°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#301AA0
RGB	rgb(48, 26, 160)
HSL	hsl(250, 72%, 36%)
HSV	hsv(250, 84%, 63%)
CMYK	cmyk(70%, 83.8%, 0%, 37.3%)
CIE-LAB	lab(23.35, 48.87, -67.28)
CIE-LCH	lch(23.35, 83.16, 305.99°)
OKLab	oklab(36.13% 0.0259 -0.1944)
OKLCH	oklch(36.13% 0.196 277.6)
XYZ	xyz(7.9314, 3.9045, 33.5866)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301AA0 #8AA01A

analogous

#1A47A0 #301AA0 #731AA0

triadic

#301AA0 #A0301A #1AA030

tetradic

#301AA0 #A01A47 #8AA01A #1AA073

square

#301AA0 #A01A47 #8AA01A #1AA073

split-complementary

#301AA0 #A0731A #47A01A

monochromatic

#100937 #20116B #301AA0 #4023D5 #6952E3

Accessibility & contrast

On white

11.79

#301AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#301AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301AA0

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301AA0	#FFFFFF	#000000	##FFFFFF
##301AA0	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00329E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #301aa0;
/* rgb */ color: rgb(48, 26, 160);
/* oklch */ color: oklch(36.1% 0.196 277.6);

Tailwind

colors: {
  custom: {
    50: '#7a5cbd',
    500: '#301aa0',
    950: '#000000',
  },
}

SCSS

$custom: #301aa0;
$custom-light: #7a5cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#301aa0",
  "rgb": {
    "r": 48,
    "g": 26,
    "b": 160
  },
  "hsl": {
    "h": 249.851,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36128,
    "c": 0.1961,
    "h": 277.6
  },
  "luminance": 0.03905
}

Semantic roles & 50–950 ramp

primary

#301AA0

secondary

#B2C550

accent

#EF39D1

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301AA0

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

Preview Lab → · Contrast checker → · Palette generator →