#301FA9#301FA9

#301FA9 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.7% C 0.203 H 276.0°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#301FA9
RGB	rgb(48, 31, 169)
HSL	hsl(247, 69%, 39%)
HSV	hsv(247, 82%, 66%)
CMYK	cmyk(71.6%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(25.17, 49.30, -69.73)
CIE-LCH	lch(25.17, 85.40, 305.26°)
OKLab	oklab(37.69% 0.0213 -0.2015)
OKLCH	oklch(37.69% 0.203 276)
XYZ	xyz(8.8680, 4.4721, 37.9243)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301FA9 #98A91F

analogous

#1F53A9 #301FA9 #751FA9

triadic

#301FA9 #A9301F #1FA930

tetradic

#301FA9 #A91F53 #98A91F #1FA975

square

#301FA9 #A91F53 #98A91F #1FA975

split-complementary

#301FA9 #A9751F #53A91F

monochromatic

#130C42 #211675 #301FA9 #422DD8 #7060E2

Accessibility & contrast

On white

11.08

#301FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#301FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301FA9

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301FA9	#FFFFFF	#000000	##FFFFFF
##301FA9	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AD

Deuteranopia (green-blind)

#0036A7

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #301fa9;
/* rgb */ color: rgb(48, 31, 169);
/* oklch */ color: oklch(37.7% 0.203 276.0);

Tailwind

colors: {
  custom: {
    50: '#7c5fc4',
    500: '#301fa9',
    950: '#000000',
  },
}

SCSS

$custom: #301fa9;
$custom-light: #7c5fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#301fa9",
  "rgb": {
    "r": 48,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 247.391,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37691,
    "c": 0.20267,
    "h": 276
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#301FA9

secondary

#BAC75D

accent

#EC3CD6

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #301FA9

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

Preview Lab → · Contrast checker → · Palette generator →