#301D90#301D90

#301D90 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.7% C 0.175 H 279.7°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#301D90
RGB	rgb(48, 29, 144)
HSL	hsl(250, 66%, 34%)
HSV	hsv(250, 80%, 56%)
CMYK	cmyk(66.7%, 79.9%, 0%, 43.5%)
CIE-LAB	lab(22.02, 42.58, -59.65)
CIE-LCH	lch(22.02, 73.29, 305.52°)
OKLab	oklab(34.67% 0.0294 -0.1722)
OKLCH	oklch(34.67% 0.175 279.7)
XYZ	xyz(6.6907, 3.5202, 26.7070)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301D90 #7D901D

analogous

#1D4490 #301D90 #6A1D90

triadic

#301D90 #90301D #1D9030

tetradic

#301D90 #901D44 #7D901D #1D906A

square

#301D90 #901D44 #7D901D #1D906A

split-complementary

#301D90 #906A1D #44901D

monochromatic

#0E082A #1F135D #301D90 #4127C3 #644CDB

Accessibility & contrast

On white

12.32

#301D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#301D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301D90

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301D90	#FFFFFF	#000000	##FFFFFF
##301D90	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#00308E

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #301d90;
/* rgb */ color: rgb(48, 29, 144);
/* oklch */ color: oklch(34.7% 0.175 279.7);

Tailwind

colors: {
  custom: {
    50: '#775db2',
    500: '#301d90',
    950: '#000000',
  },
}

SCSS

$custom: #301d90;
$custom-light: #775db2;
$custom-dark: #000000;

JSON

{
  "hex": "#301d90",
  "rgb": {
    "r": 48,
    "g": 29,
    "b": 144
  },
  "hsl": {
    "h": 249.913,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34668,
    "c": 0.17469,
    "h": 279.7
  },
  "luminance": 0.03521
}

Semantic roles & 50–950 ramp

primary

#301D90

secondary

#ABBD4B

accent

#E93ECD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #301D90

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

Preview Lab → · Contrast checker → · Palette generator →