#2D1F99#2D1F99

#2D1F99 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.184 H 276.7°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#2D1F99
RGB	rgb(45, 31, 153)
HSL	hsl(247, 66%, 36%)
HSV	hsv(247, 80%, 60%)
CMYK	cmyk(70.6%, 79.7%, 0%, 40%)
CIE-LAB	lab(23.13, 44.09, -63.38)
CIE-LCH	lch(23.13, 77.21, 304.82°)
OKLab	oklab(35.67% 0.0215 -0.1832)
OKLCH	oklch(35.67% 0.184 276.7)
XYZ	xyz(7.3201, 3.8371, 30.4857)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1F99 #8B991F

analogous

#1F4E99 #2D1F99 #6A1F99

triadic

#2D1F99 #992D1F #1F992D

tetradic

#2D1F99 #991F4E #8B991F #1F996A

square

#2D1F99 #991F4E #8B991F #1F996A

split-complementary

#2D1F99 #996A1F #4E991F

monochromatic

#0F0A33 #1E1566 #2D1F99 #3C29CC #6556DD

Accessibility & contrast

On white

11.88

#2D1F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2D1F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1F99

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1F99	#FFFFFF	#000000	##FFFFFF
##2D1F99	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9C

Deuteranopia (green-blind)

#003297

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2d1f99;
/* rgb */ color: rgb(45, 31, 153);
/* oklch */ color: oklch(35.7% 0.184 276.7);

Tailwind

colors: {
  custom: {
    50: '#775eb8',
    500: '#2d1f99',
    950: '#000000',
  },
}

SCSS

$custom: #2d1f99;
$custom-light: #775eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1f99",
  "rgb": {
    "r": 45,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 246.885,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35674,
    "c": 0.18444,
    "h": 276.7
  },
  "luminance": 0.03838
}

Semantic roles & 50–950 ramp

primary

#2D1F99

secondary

#B4C054

accent

#E93FD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2D1F99

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

Preview Lab → · Contrast checker → · Palette generator →