#301DA7#301DA7

#301DA7 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.2% C 0.202 H 276.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#301DA7
RGB	rgb(48, 29, 167)
HSL	hsl(248, 70%, 38%)
HSV	hsv(248, 83%, 65%)
CMYK	cmyk(71.3%, 82.6%, 0%, 34.5%)
CIE-LAB	lab(24.63, 49.62, -69.42)
CIE-LCH	lch(24.63, 85.33, 305.55°)
OKLab	oklab(37.24% 0.0226 -0.2006)
OKLCH	oklch(37.24% 0.202 276.4)
XYZ	xyz(8.6311, 4.2963, 36.9261)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301DA7 #94A71D

analogous

#1D4FA7 #301DA7 #751DA7

triadic

#301DA7 #A7301D #1DA730

tetradic

#301DA7 #A71D4F #94A71D #1DA775

square

#301DA7 #A71D4F #94A71D #1DA775

split-complementary

#301DA7 #A7751D #4FA71D

monochromatic

#120B3F #211473 #301DA7 #4028DA #6E5CE3

Accessibility & contrast

On white

11.29

#301DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#301DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301DA7

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301DA7	#FFFFFF	#000000	##FFFFFF
##301DA7	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AB

Deuteranopia (green-blind)

#0034A5

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #301da7;
/* rgb */ color: rgb(48, 29, 167);
/* oklch */ color: oklch(37.2% 0.202 276.4);

Tailwind

colors: {
  custom: {
    50: '#7c5ec3',
    500: '#301da7',
    950: '#000000',
  },
}

SCSS

$custom: #301da7;
$custom-light: #7c5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#301da7",
  "rgb": {
    "r": 48,
    "g": 29,
    "b": 167
  },
  "hsl": {
    "h": 248.261,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37245,
    "c": 0.20191,
    "h": 276.4
  },
  "luminance": 0.04297
}

Semantic roles & 50–950 ramp

primary

#301DA7

secondary

#B8C759

accent

#ED3BD5

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #301DA7

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

Preview Lab → · Contrast checker → · Palette generator →