#301F92#301F92

#301F92 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.1% C 0.175 H 279.1°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#301F92
RGB	rgb(48, 31, 146)
HSL	hsl(249, 65%, 35%)
HSV	hsv(249, 79%, 57%)
CMYK	cmyk(67.1%, 78.8%, 0%, 42.7%)
CIE-LAB	lab(22.59, 42.18, -59.93)
CIE-LCH	lch(22.59, 73.29, 305.14°)
OKLab	oklab(35.14% 0.0277 -0.1731)
OKLCH	oklch(35.14% 0.175 279.1)
XYZ	xyz(6.8956, 3.6831, 27.5361)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301F92 #81921F

analogous

#1F4792 #301F92 #6A1F92

triadic

#301F92 #92301F #1F9230

tetradic

#301F92 #921F47 #81921F #1F926A

square

#301F92 #921F47 #81921F #1F926A

split-complementary

#301F92 #926A1F #47921F

monochromatic

#0F0A2D #1F1460 #301F92 #412AC4 #6651DA

Accessibility & contrast

On white

12.09

#301F92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#301F92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301F92

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301F92	#FFFFFF	#000000	##FFFFFF
##301F92	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A95

Deuteranopia (green-blind)

#003190

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #301f92;
/* rgb */ color: rgb(48, 31, 146);
/* oklch */ color: oklch(35.1% 0.175 279.1);

Tailwind

colors: {
  custom: {
    50: '#775eb3',
    500: '#301f92',
    950: '#000000',
  },
}

SCSS

$custom: #301f92;
$custom-light: #775eb3;
$custom-dark: #000000;

JSON

{
  "hex": "#301f92",
  "rgb": {
    "r": 48,
    "g": 31,
    "b": 146
  },
  "hsl": {
    "h": 248.87,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35136,
    "c": 0.17527,
    "h": 279.1
  },
  "luminance": 0.03684
}

Semantic roles & 50–950 ramp

primary

#301F92

secondary

#ADBD50

accent

#E840CF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #301F92

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

Preview Lab → · Contrast checker → · Palette generator →