#301BA0#301BA0

#301BA0 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.2% C 0.195 H 277.5°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#301BA0
RGB	rgb(48, 27, 160)
HSL	hsl(249, 71%, 37%)
HSV	hsv(249, 83%, 63%)
CMYK	cmyk(70%, 83.1%, 0%, 37.3%)
CIE-LAB	lab(23.50, 48.43, -67.03)
CIE-LCH	lch(23.50, 82.70, 305.84°)
OKLab	oklab(36.23% 0.0255 -0.1937)
OKLCH	oklch(36.23% 0.195 277.5)
XYZ	xyz(7.9540, 3.9496, 33.5941)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301BA0 #8BA01B

analogous

#1B48A0 #301BA0 #731BA0

triadic

#301BA0 #A0301B #1BA030

tetradic

#301BA0 #A01B48 #8BA01B #1BA073

square

#301BA0 #A01B48 #8BA01B #1BA073

split-complementary

#301BA0 #A0731B #48A01B

monochromatic

#110937 #20126C #301BA0 #4024D4 #6A53E2

Accessibility & contrast

On white

11.73

#301BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#301BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301BA0

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301BA0	#FFFFFF	#000000	##FFFFFF
##301BA0	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	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: #301ba0;
/* rgb */ color: rgb(48, 27, 160);
/* oklch */ color: oklch(36.2% 0.195 277.5);

Tailwind

colors: {
  custom: {
    50: '#7a5dbd',
    500: '#301ba0',
    950: '#000000',
  },
}

SCSS

$custom: #301ba0;
$custom-light: #7a5dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#301ba0",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 160
  },
  "hsl": {
    "h": 249.474,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36232,
    "c": 0.19534,
    "h": 277.5
  },
  "luminance": 0.0395
}

Semantic roles & 50–950 ramp

primary

#301BA0

secondary

#B3C552

accent

#EE3AD1

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301BA0

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

Preview Lab → · Contrast checker → · Palette generator →