#301E8F#301E8F

#301E8F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.7% C 0.173 H 279.7°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#301E8F
RGB	rgb(48, 30, 143)
HSL	hsl(250, 65%, 34%)
HSV	hsv(250, 79%, 56%)
CMYK	cmyk(66.4%, 79%, 0%, 43.9%)
CIE-LAB	lab(22.09, 41.75, -58.91)
CIE-LCH	lch(22.09, 72.21, 305.33°)
OKLab	oklab(34.68% 0.0291 -0.1701)
OKLCH	oklch(34.68% 0.173 279.7)
XYZ	xyz(6.6395, 3.5396, 26.3146)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301E8F #7D8F1E

analogous

#1E448F #301E8F #691E8F

triadic

#301E8F #8F301E #1E8F30

tetradic

#301E8F #8F1E44 #7D8F1E #1E8F69

square

#301E8F #8F1E44 #7D8F1E #1E8F69

split-complementary

#301E8F #8F691E #448F1E

monochromatic

#0E092A #1F135C #301E8F #4129C2 #644EDA

Accessibility & contrast

On white

12.30

#301E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#301E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301E8F

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301E8F	#FFFFFF	#000000	##FFFFFF
##301E8F	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #301e8f;
/* rgb */ color: rgb(48, 30, 143);
/* oklch */ color: oklch(34.7% 0.173 279.7);

Tailwind

colors: {
  custom: {
    50: '#765db1',
    500: '#301e8f',
    950: '#000000',
  },
}

SCSS

$custom: #301e8f;
$custom-light: #765db1;
$custom-dark: #000000;

JSON

{
  "hex": "#301e8f",
  "rgb": {
    "r": 48,
    "g": 30,
    "b": 143
  },
  "hsl": {
    "h": 249.558,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34684,
    "c": 0.17254,
    "h": 279.7
  },
  "luminance": 0.0354
}

Semantic roles & 50–950 ramp

primary

#301E8F

secondary

#ABBC4C

accent

#E840CD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #301E8F

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

Preview Lab → · Contrast checker → · Palette generator →