#301BA1#301BA1

#301BA1 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.3% C 0.196 H 277.4°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#301BA1
RGB	rgb(48, 27, 161)
HSL	hsl(249, 71%, 37%)
HSV	hsv(249, 83%, 63%)
CMYK	cmyk(70.2%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(23.62, 48.72, -67.45)
CIE-LCH	lch(23.62, 83.21, 305.84°)
OKLab	oklab(36.35% 0.0252 -0.1949)
OKLCH	oklch(36.35% 0.196 277.4)
XYZ	xyz(8.0418, 3.9847, 34.0566)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301BA1 #8CA11B

analogous

#1B49A1 #301BA1 #731BA1

triadic

#301BA1 #A1301B #1BA130

tetradic

#301BA1 #A11B49 #8CA11B #1BA173

square

#301BA1 #A11B49 #8CA11B #1BA173

split-complementary

#301BA1 #A1731B #49A11B

monochromatic

#110938 #20126D #301BA1 #4024D5 #6A54E2

Accessibility & contrast

On white

11.69

#301BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#301BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301BA1

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301BA1	#FFFFFF	#000000	##FFFFFF
##301BA1	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00339F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #301ba1;
/* rgb */ color: rgb(48, 27, 161);
/* oklch */ color: oklch(36.3% 0.196 277.4);

Tailwind

colors: {
  custom: {
    50: '#7a5dbe',
    500: '#301ba1',
    950: '#000000',
  },
}

SCSS

$custom: #301ba1;
$custom-light: #7a5dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#301ba1",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 249.403,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36347,
    "c": 0.19649,
    "h": 277.4
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary

#301BA1

secondary

#B3C552

accent

#EE3AD2

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301BA1

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

Preview Lab → · Contrast checker → · Palette generator →