#301FA5#301FA5

#301FA5 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.2% C 0.198 H 276.5°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#301FA5
RGB	rgb(48, 31, 165)
HSL	hsl(248, 68%, 38%)
HSV	hsv(248, 81%, 65%)
CMYK	cmyk(70.9%, 81.2%, 0%, 35.3%)
CIE-LAB	lab(24.72, 48.08, -68.07)
CIE-LCH	lch(24.72, 83.34, 305.24°)
OKLab	oklab(37.24% 0.0224 -0.1967)
OKLCH	oklch(37.24% 0.198 276.5)
XYZ	xyz(8.4982, 4.3242, 35.9768)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301FA5 #94A51F

analogous

#1F51A5 #301FA5 #731FA5

triadic

#301FA5 #A5301F #1FA530

tetradic

#301FA5 #A51F51 #94A51F #1FA573

square

#301FA5 #A51F51 #94A51F #1FA573

split-complementary

#301FA5 #A5731F #51A51F

monochromatic

#120C3E #211571 #301FA5 #402AD7 #6E5EE1

Accessibility & contrast

On white

11.26

#301FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#301FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301FA5

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301FA5	#FFFFFF	#000000	##FFFFFF
##301FA5	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A9

Deuteranopia (green-blind)

#0035A3

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #301fa5;
/* rgb */ color: rgb(48, 31, 165);
/* oklch */ color: oklch(37.2% 0.198 276.5);

Tailwind

colors: {
  custom: {
    50: '#7b5fc1',
    500: '#301fa5',
    950: '#000000',
  },
}

SCSS

$custom: #301fa5;
$custom-light: #7b5fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#301fa5",
  "rgb": {
    "r": 48,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 247.612,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37239,
    "c": 0.198,
    "h": 276.5
  },
  "luminance": 0.04325
}

Semantic roles & 50–950 ramp

primary

#301FA5

secondary

#B8C55B

accent

#EB3DD5

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #301FA5

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

Preview Lab → · Contrast checker → · Palette generator →