#301D9F#301D9F

#301D9F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.3% C 0.193 H 277.4°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#301D9F
RGB	rgb(48, 29, 159)
HSL	hsl(249, 69%, 37%)
HSV	hsv(249, 82%, 62%)
CMYK	cmyk(69.8%, 81.8%, 0%, 37.6%)
CIE-LAB	lab(23.70, 47.20, -66.09)
CIE-LCH	lch(23.70, 81.22, 305.53°)
OKLab	oklab(36.34% 0.025 -0.191)
OKLCH	oklch(36.34% 0.193 277.4)
XYZ	xyz(7.9143, 4.0096, 33.1510)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301D9F #8C9F1D

analogous

#1D4B9F #301D9F #711D9F

triadic

#301D9F #9F301D #1D9F30

tetradic

#301D9F #9F1D4B #8C9F1D #1D9F71

square

#301D9F #9F1D4B #8C9F1D #1D9F71

split-complementary

#301D9F #9F711D #4B9F1D

monochromatic

#110A37 #20146B #301D9F #4026D3 #6A56E0

Accessibility & contrast

On white

11.65

#301D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#301D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301D9F

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301D9F	#FFFFFF	#000000	##FFFFFF
##301D9F	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00339D

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #301d9f;
/* rgb */ color: rgb(48, 29, 159);
/* oklch */ color: oklch(36.3% 0.193 277.4);

Tailwind

colors: {
  custom: {
    50: '#7a5ebd',
    500: '#301d9f',
    950: '#000000',
  },
}

SCSS

$custom: #301d9f;
$custom-light: #7a5ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#301d9f",
  "rgb": {
    "r": 48,
    "g": 29,
    "b": 159
  },
  "hsl": {
    "h": 248.769,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36336,
    "c": 0.1926,
    "h": 277.4
  },
  "luminance": 0.0401
}

Semantic roles & 50–950 ramp

primary

#301D9F

secondary

#B3C454

accent

#EC3CD2

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301D9F

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

Preview Lab → · Contrast checker → · Palette generator →