#301A9F#301A9F

#301A9F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.0% C 0.195 H 277.7°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#301A9F
RGB	rgb(48, 26, 159)
HSL	hsl(250, 72%, 36%)
HSV	hsv(250, 84%, 62%)
CMYK	cmyk(69.8%, 83.6%, 0%, 37.6%)
CIE-LAB	lab(23.24, 48.57, -66.87)
CIE-LCH	lch(23.24, 82.65, 305.99°)
OKLab	oklab(36.01% 0.0262 -0.1932)
OKLCH	oklch(36.01% 0.195 277.7)
XYZ	xyz(7.8443, 3.8697, 33.1277)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301A9F #899F1A

analogous

#1A479F #301A9F #731A9F

triadic

#301A9F #9F301A #1A9F30

tetradic

#301A9F #9F1A47 #899F1A #1A9F73

square

#301A9F #9F1A47 #899F1A #1A9F73

split-complementary

#301A9F #9F731A #479F1A

monochromatic

#100936 #20116A #301A9F #4023D4 #6951E3

Accessibility & contrast

On white

11.84

#301A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#301A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301A9F

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301A9F	#FFFFFF	#000000	##FFFFFF
##301A9F	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA3

Deuteranopia (green-blind)

#00329D

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #301a9f;
/* rgb */ color: rgb(48, 26, 159);
/* oklch */ color: oklch(36.0% 0.195 277.7);

Tailwind

colors: {
  custom: {
    50: '#7a5cbd',
    500: '#301a9f',
    950: '#000000',
  },
}

SCSS

$custom: #301a9f;
$custom-light: #7a5cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#301a9f",
  "rgb": {
    "r": 48,
    "g": 26,
    "b": 159
  },
  "hsl": {
    "h": 249.925,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36013,
    "c": 0.19494,
    "h": 277.7
  },
  "luminance": 0.0387
}

Semantic roles & 50–950 ramp

primary

#301A9F

secondary

#B2C550

accent

#EF39D1

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301A9F

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

Preview Lab → · Contrast checker → · Palette generator →