#301E66#301E66

#301E66 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.5% C 0.120 H 288.8°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#301E66
RGB	rgb(48, 30, 102)
HSL	hsl(255, 55%, 26%)
HSV	hsv(255, 71%, 40%)
CMYK	cmyk(52.9%, 70.6%, 0%, 60%)
CIE-LAB	lab(17.99, 28.57, -39.47)
CIE-LCH	lch(17.99, 48.72, 305.90°)
OKLab	oklab(30.54% 0.0385 -0.1132)
OKLCH	oklch(30.54% 0.12 288.8)
XYZ	xyz(4.0808, 2.5161, 12.8384)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301E66 #54661E

analogous

#1E3066 #301E66 #541E66

triadic

#301E66 #66301E #1E6630

tetradic

#301E66 #661E30 #54661E #1E6654

square

#301E66 #661E30 #54661E #1E6654

split-complementary

#301E66 #66541E #30661E

monochromatic

#0B0718 #1A1037 #301E66 #462C95 #5D3AC5

Accessibility & contrast

On white

13.97

#301E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#301E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301E66

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301E66	#FFFFFF	#000000	##FFFFFF
##301E66	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D68

Deuteranopia (green-blind)

#002A65

Tritanopia (blue-blind)

#1D303F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #301e66;
/* rgb */ color: rgb(48, 30, 102);
/* oklch */ color: oklch(30.5% 0.120 288.8);

Tailwind

colors: {
  custom: {
    50: '#6e5b92',
    500: '#301e66',
    950: '#000000',
  },
}

SCSS

$custom: #301e66;
$custom-light: #6e5b92;
$custom-dark: #000000;

JSON

{
  "hex": "#301e66",
  "rgb": {
    "r": 48,
    "g": 30,
    "b": 102
  },
  "hsl": {
    "h": 255,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.30537,
    "c": 0.11954,
    "h": 288.8
  },
  "luminance": 0.02516
}

Semantic roles & 50–950 ramp

primary

#301E66

secondary

#859B45

accent

#DE4AB9

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #301E66

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

Preview Lab → · Contrast checker → · Palette generator →