#301E91#301E91

#301E91 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.9% C 0.175 H 279.4°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#301E91
RGB	rgb(48, 30, 145)
HSL	hsl(249, 66%, 34%)
HSV	hsv(249, 79%, 57%)
CMYK	cmyk(66.9%, 79.3%, 0%, 43.1%)
CIE-LAB	lab(22.30, 42.38, -59.79)
CIE-LCH	lch(22.30, 73.29, 305.33°)
OKLab	oklab(34.9% 0.0285 -0.1726)
OKLCH	oklch(34.9% 0.175 279.4)
XYZ	xyz(6.7924, 3.6007, 27.1196)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301E91 #7F911E

analogous

#1E4691 #301E91 #6A1E91

triadic

#301E91 #91301E #1E9130

tetradic

#301E91 #911E46 #7F911E #1E916A

square

#301E91 #911E46 #7F911E #1E916A

split-complementary

#301E91 #916A1E #46911E

monochromatic

#0E092C #1F145E #301E91 #4128C4 #654FDB

Accessibility & contrast

On white

12.21

#301E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#301E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301E91

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301E91	#FFFFFF	#000000	##FFFFFF
##301E91	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A94

Deuteranopia (green-blind)

#00318F

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #301e91;
/* rgb */ color: rgb(48, 30, 145);
/* oklch */ color: oklch(34.9% 0.175 279.4);

Tailwind

colors: {
  custom: {
    50: '#775db2',
    500: '#301e91',
    950: '#000000',
  },
}

SCSS

$custom: #301e91;
$custom-light: #775db2;
$custom-dark: #000000;

JSON

{
  "hex": "#301e91",
  "rgb": {
    "r": 48,
    "g": 30,
    "b": 145
  },
  "hsl": {
    "h": 249.391,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34901,
    "c": 0.17499,
    "h": 279.4
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary

#301E91

secondary

#ACBD4D

accent

#E93FCE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #301E91

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

Preview Lab → · Contrast checker → · Palette generator →