#301FA0#301FA0

#301FA0 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.7% C 0.192 H 277.1°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#301FA0
RGB	rgb(48, 31, 160)
HSL	hsl(248, 68%, 37%)
HSV	hsv(248, 81%, 63%)
CMYK	cmyk(70%, 80.6%, 0%, 37.3%)
CIE-LAB	lab(24.15, 46.55, -65.97)
CIE-LCH	lch(24.15, 80.74, 305.21°)
OKLab	oklab(36.68% 0.0238 -0.1906)
OKLCH	oklch(36.68% 0.192 277.1)
XYZ	xyz(8.0520, 4.1457, 33.6267)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301FA0 #8FA01F

analogous

#1F4FA0 #301FA0 #711FA0

triadic

#301FA0 #A0301F #1FA030

tetradic

#301FA0 #A01F4F #8FA01F #1FA071

square

#301FA0 #A01F4F #8FA01F #1FA071

split-complementary

#301FA0 #A0711F #4FA01F

monochromatic

#110B39 #21156D #301FA0 #3F29D3 #6C5ADF

Accessibility & contrast

On white

11.48

#301FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#301FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301FA0

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301FA0	#FFFFFF	#000000	##FFFFFF
##301FA0	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA4

Deuteranopia (green-blind)

#00349E

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #301fa0;
/* rgb */ color: rgb(48, 31, 160);
/* oklch */ color: oklch(36.7% 0.192 277.1);

Tailwind

colors: {
  custom: {
    50: '#7a5fbd',
    500: '#301fa0',
    950: '#000000',
  },
}

SCSS

$custom: #301fa0;
$custom-light: #7a5fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#301fa0",
  "rgb": {
    "r": 48,
    "g": 31,
    "b": 160
  },
  "hsl": {
    "h": 247.907,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36678,
    "c": 0.19211,
    "h": 277.1
  },
  "luminance": 0.04146
}

Semantic roles & 50–950 ramp

primary

#301FA0

secondary

#B5C358

accent

#EA3DD4

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #301FA0

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

Preview Lab → · Contrast checker → · Palette generator →