#301AA4#301AA4

#301AA4 is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.6% C 0.201 H 277.1°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#301AA4
RGB	rgb(48, 26, 164)
HSL	hsl(250, 73%, 37%)
HSV	hsv(250, 84%, 64%)
CMYK	cmyk(70.7%, 84.1%, 0%, 35.7%)
CIE-LAB	lab(23.83, 50.05, -68.94)
CIE-LCH	lch(23.83, 85.19, 305.98°)
OKLab	oklab(36.59% 0.0246 -0.1992)
OKLCH	oklch(36.59% 0.201 277.1)
XYZ	xyz(8.2870, 4.0467, 35.4591)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301AA4 #8EA41A

analogous

#1A49A4 #301AA4 #751AA4

triadic

#301AA4 #A4301A #1AA430

tetradic

#301AA4 #A41A49 #8EA41A #1AA475

square

#301AA4 #A41A49 #8EA41A #1AA475

split-complementary

#301AA4 #A4751A #49A41A

monochromatic

#11093A #21126F #301AA4 #3F22D9 #6B54E4

Accessibility & contrast

On white

11.60

#301AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#301AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301AA4

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301AA4	#FFFFFF	#000000	##FFFFFF
##301AA4	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA8

Deuteranopia (green-blind)

#0033A2

Tritanopia (blue-blind)

#004661

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #301aa4;
/* rgb */ color: rgb(48, 26, 164);
/* oklch */ color: oklch(36.6% 0.201 277.1);

Tailwind

colors: {
  custom: {
    50: '#7b5cc0',
    500: '#301aa4',
    950: '#000000',
  },
}

SCSS

$custom: #301aa4;
$custom-light: #7b5cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#301aa4",
  "rgb": {
    "r": 48,
    "g": 26,
    "b": 164
  },
  "hsl": {
    "h": 249.565,
    "s": 72.632,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3659,
    "c": 0.20069,
    "h": 277.1
  },
  "luminance": 0.04048
}

Semantic roles & 50–950 ramp

primary

#301AA4

secondary

#B4C753

accent

#EF38D2

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301AA4

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

Preview Lab → · Contrast checker → · Palette generator →