#301FA8#301FA8

#301FA8 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.6% C 0.202 H 276.1°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#301FA8
RGB	rgb(48, 31, 168)
HSL	hsl(247, 69%, 39%)
HSV	hsv(247, 82%, 66%)
CMYK	cmyk(71.4%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(25.06, 49.00, -69.31)
CIE-LCH	lch(25.06, 84.88, 305.26°)
OKLab	oklab(37.58% 0.0215 -0.2003)
OKLCH	oklch(37.58% 0.202 276.1)
XYZ	xyz(8.7745, 4.4347, 37.4318)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301FA8 #97A81F

analogous

#1F53A8 #301FA8 #751FA8

triadic

#301FA8 #A8301F #1FA830

tetradic

#301FA8 #A81F53 #97A81F #1FA875

square

#301FA8 #A81F53 #97A81F #1FA875

split-complementary

#301FA8 #A8751F #53A81F

monochromatic

#120C41 #211574 #301FA8 #412CD8 #7060E2

Accessibility & contrast

On white

11.13

#301FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#301FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301FA8

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301FA8	#FFFFFF	#000000	##FFFFFF
##301FA8	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0035A6

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #301fa8;
/* rgb */ color: rgb(48, 31, 168);
/* oklch */ color: oklch(37.6% 0.202 276.1);

Tailwind

colors: {
  custom: {
    50: '#7c5fc3',
    500: '#301fa8',
    950: '#000000',
  },
}

SCSS

$custom: #301fa8;
$custom-light: #7c5fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#301fa8",
  "rgb": {
    "r": 48,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 247.445,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37577,
    "c": 0.2015,
    "h": 276.1
  },
  "luminance": 0.04436
}

Semantic roles & 50–950 ramp

primary

#301FA8

secondary

#B9C65D

accent

#EC3CD6

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #301FA8

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

Preview Lab → · Contrast checker → · Palette generator →