#301E9E#301E9E

#301E9E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.3% C 0.191 H 277.5°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#301E9E
RGB	rgb(48, 30, 158)
HSL	hsl(248, 68%, 37%)
HSV	hsv(248, 81%, 62%)
CMYK	cmyk(69.6%, 81%, 0%, 38%)
CIE-LAB	lab(23.75, 46.42, -65.40)
CIE-LCH	lch(23.75, 80.20, 305.37°)
OKLab	oklab(36.34% 0.0248 -0.189)
OKLCH	oklch(36.34% 0.191 277.5)
XYZ	xyz(7.8528, 4.0248, 32.7042)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301E9E #8C9E1E

analogous

#1E4C9E #301E9E #701E9E

triadic

#301E9E #9E301E #1E9E30

tetradic

#301E9E #9E1E4C #8C9E1E #1E9E70

square

#301E9E #9E1E4C #8C9E1E #1E9E70

split-complementary

#301E9E #9E701E #4C9E1E

monochromatic

#110A37 #20146B #301E9E #4028D1 #6A57DF

Accessibility & contrast

On white

11.63

#301E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#301E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301E9E

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301E9E	#FFFFFF	#000000	##FFFFFF
##301E9E	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA2

Deuteranopia (green-blind)

#00339C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #301e9e;
/* rgb */ color: rgb(48, 30, 158);
/* oklch */ color: oklch(36.3% 0.191 277.5);

Tailwind

colors: {
  custom: {
    50: '#7a5ebc',
    500: '#301e9e',
    950: '#000000',
  },
}

SCSS

$custom: #301e9e;
$custom-light: #7a5ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#301e9e",
  "rgb": {
    "r": 48,
    "g": 30,
    "b": 158
  },
  "hsl": {
    "h": 248.438,
    "s": 68.085,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36338,
    "c": 0.19058,
    "h": 277.5
  },
  "luminance": 0.04026
}

Semantic roles & 50–950 ramp

primary

#301E9E

secondary

#B3C355

accent

#EB3DD2

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #301E9E

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

Preview Lab → · Contrast checker → · Palette generator →