#301EA5#301EA5

#301EA5 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.1% C 0.199 H 276.6°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#301EA5
RGB	rgb(48, 30, 165)
HSL	hsl(248, 69%, 38%)
HSV	hsv(248, 82%, 65%)
CMYK	cmyk(70.9%, 81.8%, 0%, 35.3%)
CIE-LAB	lab(24.55, 48.55, -68.34)
CIE-LCH	lch(24.55, 83.83, 305.39°)
OKLab	oklab(37.13% 0.0228 -0.1975)
OKLCH	oklch(37.13% 0.199 276.6)
XYZ	xyz(8.4725, 4.2728, 35.9682)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301EA5 #93A51E

analogous

#1E4FA5 #301EA5 #731EA5

triadic

#301EA5 #A5301E #1EA530

tetradic

#301EA5 #A51E4F #93A51E #1EA573

square

#301EA5 #A51E4F #93A51E #1EA573

split-complementary

#301EA5 #A5731E #4FA51E

monochromatic

#120B3D #211571 #301EA5 #4028D8 #6E5CE1

Accessibility & contrast

On white

11.32

#301EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#301EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301EA5

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301EA5	#FFFFFF	#000000	##FFFFFF
##301EA5	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A9

Deuteranopia (green-blind)

#0034A3

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #301ea5;
/* rgb */ color: rgb(48, 30, 165);
/* oklch */ color: oklch(37.1% 0.199 276.6);

Tailwind

colors: {
  custom: {
    50: '#7b5ec1',
    500: '#301ea5',
    950: '#000000',
  },
}

SCSS

$custom: #301ea5;
$custom-light: #7b5ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#301ea5",
  "rgb": {
    "r": 48,
    "g": 30,
    "b": 165
  },
  "hsl": {
    "h": 248,
    "s": 69.231,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37126,
    "c": 0.19881,
    "h": 276.6
  },
  "luminance": 0.04274
}

Semantic roles & 50–950 ramp

primary

#301EA5

secondary

#B7C559

accent

#EC3CD5

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #301EA5

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

Preview Lab → · Contrast checker → · Palette generator →