#301FA6#301FA6

#301FA6 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.4% C 0.199 H 276.4°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#301FA6
RGB	rgb(48, 31, 166)
HSL	hsl(248, 69%, 39%)
HSV	hsv(248, 81%, 65%)
CMYK	cmyk(71.1%, 81.3%, 0%, 34.9%)
CIE-LAB	lab(24.83, 48.39, -68.48)
CIE-LCH	lch(24.83, 83.85, 305.24°)
OKLab	oklab(37.35% 0.0221 -0.1979)
OKLCH	oklch(37.35% 0.199 276.4)
XYZ	xyz(8.5896, 4.3607, 36.4580)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301FA6 #95A61F

analogous

#1F51A6 #301FA6 #731FA6

triadic

#301FA6 #A6301F #1FA630

tetradic

#301FA6 #A61F51 #95A61F #1FA673

square

#301FA6 #A61F51 #95A61F #1FA673

split-complementary

#301FA6 #A6731F #51A61F

monochromatic

#120C3F #211572 #301FA6 #412BD7 #6F5EE1

Accessibility & contrast

On white

11.22

#301FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#301FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301FA6

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301FA6	#FFFFFF	#000000	##FFFFFF
##301FA6	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AA

Deuteranopia (green-blind)

#0035A4

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #301fa6;
/* rgb */ color: rgb(48, 31, 166);
/* oklch */ color: oklch(37.4% 0.199 276.4);

Tailwind

colors: {
  custom: {
    50: '#7b5fc2',
    500: '#301fa6',
    950: '#000000',
  },
}

SCSS

$custom: #301fa6;
$custom-light: #7b5fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#301fa6",
  "rgb": {
    "r": 48,
    "g": 31,
    "b": 166
  },
  "hsl": {
    "h": 247.556,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37351,
    "c": 0.19917,
    "h": 276.4
  },
  "luminance": 0.04362
}

Semantic roles & 50–950 ramp

primary

#301FA6

secondary

#B8C55B

accent

#EB3CD5

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #301FA6

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

Preview Lab → · Contrast checker → · Palette generator →