#301BA8#301BA8

#301BA8 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.2% C 0.205 H 276.5°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#301BA8
RGB	rgb(48, 27, 168)
HSL	hsl(249, 72%, 38%)
HSV	hsv(249, 84%, 66%)
CMYK	cmyk(71.4%, 83.9%, 0%, 34.1%)
CIE-LAB	lab(24.45, 50.80, -70.33)
CIE-LCH	lch(24.45, 86.76, 305.84°)
OKLab	oklab(37.15% 0.023 -0.2032)
OKLCH	oklch(37.15% 0.205 276.5)
XYZ	xyz(8.6764, 4.2386, 37.3991)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301BA8 #93A81B

analogous

#1B4CA8 #301BA8 #761BA8

triadic

#301BA8 #A8301B #1BA830

tetradic

#301BA8 #A81B4C #93A81B #1BA876

square

#301BA8 #A81B4C #93A81B #1BA876

split-complementary

#301BA8 #A8761B #4CA81B

monochromatic

#120A3F #211373 #301BA8 #4024DC #6E59E4

Accessibility & contrast

On white

11.36

#301BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#301BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301BA8

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301BA8	#FFFFFF	#000000	##FFFFFF
##301BA8	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AC

Deuteranopia (green-blind)

#0034A6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #301ba8;
/* rgb */ color: rgb(48, 27, 168);
/* oklch */ color: oklch(37.2% 0.205 276.5);

Tailwind

colors: {
  custom: {
    50: '#7c5dc3',
    500: '#301ba8',
    950: '#000000',
  },
}

SCSS

$custom: #301ba8;
$custom-light: #7c5dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#301ba8",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 168
  },
  "hsl": {
    "h": 248.936,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37153,
    "c": 0.20454,
    "h": 276.5
  },
  "luminance": 0.04239
}

Semantic roles & 50–950 ramp

primary

#301BA8

secondary

#B7C857

accent

#EF39D4

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #301BA8

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

Preview Lab → · Contrast checker → · Palette generator →