#301BA7#301BA7

#301BA7 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.0% C 0.203 H 276.6°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#301BA7
RGB	rgb(48, 27, 167)
HSL	hsl(249, 72%, 38%)
HSV	hsv(249, 84%, 65%)
CMYK	cmyk(71.3%, 83.8%, 0%, 34.5%)
CIE-LAB	lab(24.33, 50.50, -69.92)
CIE-LCH	lch(24.33, 86.26, 305.84°)
OKLab	oklab(37.04% 0.0234 -0.202)
OKLCH	oklch(37.04% 0.203 276.6)
XYZ	xyz(8.5836, 4.2015, 36.9103)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301BA7 #92A71B

analogous

#1B4CA7 #301BA7 #761BA7

triadic

#301BA7 #A7301B #1BA730

tetradic

#301BA7 #A71B4C #92A71B #1BA776

square

#301BA7 #A71B4C #92A71B #1BA776

split-complementary

#301BA7 #A7761B #4CA71B

monochromatic

#120A3E #211272 #301BA7 #3F24DC #6D58E4

Accessibility & contrast

On white

11.41

#301BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#301BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301BA7

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301BA7	#FFFFFF	#000000	##FFFFFF
##301BA7	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAB

Deuteranopia (green-blind)

#0034A5

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #301ba7;
/* rgb */ color: rgb(48, 27, 167);
/* oklch */ color: oklch(37.0% 0.203 276.6);

Tailwind

colors: {
  custom: {
    50: '#7c5dc3',
    500: '#301ba7',
    950: '#000000',
  },
}

SCSS

$custom: #301ba7;
$custom-light: #7c5dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#301ba7",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 167
  },
  "hsl": {
    "h": 249,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37038,
    "c": 0.20339,
    "h": 276.6
  },
  "luminance": 0.04202
}

Semantic roles & 50–950 ramp

primary

#301BA7

secondary

#B7C856

accent

#EF39D4

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #301BA7

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

Preview Lab → · Contrast checker → · Palette generator →