#301CAB#301CAB

#301CAB is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.6% C 0.207 H 276.0°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#301CAB
RGB	rgb(48, 28, 171)
HSL	hsl(248, 72%, 39%)
HSV	hsv(248, 84%, 67%)
CMYK	cmyk(71.9%, 83.6%, 0%, 32.9%)
CIE-LAB	lab(24.95, 51.25, -71.31)
CIE-LCH	lch(24.95, 87.82, 305.71°)
OKLab	oklab(37.6% 0.0218 -0.2061)
OKLCH	oklch(37.6% 0.207 276)
XYZ	xyz(8.9825, 4.3983, 38.8958)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301CAB #97AB1C

analogous

#1C4FAB #301CAB #781CAB

triadic

#301CAB #AB301C #1CAB30

tetradic

#301CAB #AB1C4F #97AB1C #1CAB78

square

#301CAB #AB1C4F #97AB1C #1CAB78

split-complementary

#301CAB #AB781C #4FAB1C

monochromatic

#120B42 #211376 #301CAB #4128DC #705DE4

Accessibility & contrast

On white

11.17

#301CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#301CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301CAB

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301CAB	#FFFFFF	#000000	##FFFFFF
##301CAB	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AF

Deuteranopia (green-blind)

#0035A9

Tritanopia (blue-blind)

#004A66

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #301cab;
/* rgb */ color: rgb(48, 28, 171);
/* oklch */ color: oklch(37.6% 0.207 276.0);

Tailwind

colors: {
  custom: {
    50: '#7d5ec5',
    500: '#301cab',
    950: '#000000',
  },
}

SCSS

$custom: #301cab;
$custom-light: #7d5ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#301cab",
  "rgb": {
    "r": 48,
    "g": 28,
    "b": 171
  },
  "hsl": {
    "h": 248.392,
    "s": 71.859,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37601,
    "c": 0.20725,
    "h": 276
  },
  "luminance": 0.04399
}

Semantic roles & 50–950 ramp

primary

#301CAB

secondary

#B9C95A

accent

#EF39D5

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #301CAB

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

Preview Lab → · Contrast checker → · Palette generator →