#2D1F9A#2D1F9A

#2D1F9A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.186 H 276.6°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#2D1F9A
RGB	rgb(45, 31, 154)
HSL	hsl(247, 66%, 36%)
HSV	hsv(247, 80%, 60%)
CMYK	cmyk(70.8%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(23.24, 44.40, -63.81)
CIE-LCH	lch(23.24, 77.74, 304.83°)
OKLab	oklab(35.79% 0.0212 -0.1844)
OKLCH	oklch(35.79% 0.186 276.6)
XYZ	xyz(7.4030, 3.8703, 30.9225)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1F9A #8C9A1F

analogous

#1F4F9A #2D1F9A #6B1F9A

triadic

#2D1F9A #9A2D1F #1F9A2D

tetradic

#2D1F9A #9A1F4F #8C9A1F #1F9A6B

square

#2D1F9A #9A1F4F #8C9A1F #1F9A6B

split-complementary

#2D1F9A #9A6B1F #4F9A1F

monochromatic

#0F0A34 #1E1567 #2D1F9A #3C29CD #6656DD

Accessibility & contrast

On white

11.84

#2D1F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2D1F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1F9A

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1F9A	#FFFFFF	#000000	##FFFFFF
##2D1F9A	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#003298

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2d1f9a;
/* rgb */ color: rgb(45, 31, 154);
/* oklch */ color: oklch(35.8% 0.186 276.6);

Tailwind

colors: {
  custom: {
    50: '#775eb9',
    500: '#2d1f9a',
    950: '#000000',
  },
}

SCSS

$custom: #2d1f9a;
$custom-light: #775eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1f9a",
  "rgb": {
    "r": 45,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 246.829,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35786,
    "c": 0.18564,
    "h": 276.6
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary

#2D1F9A

secondary

#B4C154

accent

#E93ED6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2D1F9A

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

Preview Lab → · Contrast checker → · Palette generator →