#301EA4#301EA4

#301EA4 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 37.0% C 0.198 H 276.7°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#301EA4
RGB	rgb(48, 30, 164)
HSL	hsl(248, 69%, 38%)
HSV	hsv(248, 82%, 64%)
CMYK	cmyk(70.7%, 81.7%, 0%, 35.7%)
CIE-LAB	lab(24.44, 48.25, -67.92)
CIE-LCH	lch(24.44, 83.31, 305.39°)
OKLab	oklab(37.01% 0.0231 -0.1963)
OKLCH	oklch(37.01% 0.198 276.7)
XYZ	xyz(8.3819, 4.2365, 35.4908)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301EA4 #92A41E

analogous

#1E4FA4 #301EA4 #731EA4

triadic

#301EA4 #A4301E #1EA430

tetradic

#301EA4 #A41E4F #92A41E #1EA473

square

#301EA4 #A41E4F #92A41E #1EA473

split-complementary

#301EA4 #A4731E #4FA41E

monochromatic

#120B3D #211570 #301EA4 #3F28D8 #6D5BE1

Accessibility & contrast

On white

11.37

#301EA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#301EA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301EA4

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301EA4	#FFFFFF	#000000	##FFFFFF
##301EA4	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA8

Deuteranopia (green-blind)

#0034A2

Tritanopia (blue-blind)

#004862

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #301ea4;
/* rgb */ color: rgb(48, 30, 164);
/* oklch */ color: oklch(37.0% 0.198 276.7);

Tailwind

colors: {
  custom: {
    50: '#7b5ec0',
    500: '#301ea4',
    950: '#000000',
  },
}

SCSS

$custom: #301ea4;
$custom-light: #7b5ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#301ea4",
  "rgb": {
    "r": 48,
    "g": 30,
    "b": 164
  },
  "hsl": {
    "h": 248.06,
    "s": 69.072,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37013,
    "c": 0.19764,
    "h": 276.7
  },
  "luminance": 0.04237
}

Semantic roles & 50–950 ramp

primary

#301EA4

secondary

#B7C559

accent

#EC3CD4

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #301EA4

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

Preview Lab → · Contrast checker → · Palette generator →