#2D1F9B#2D1F9B

#2D1F9B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.9% C 0.187 H 276.4°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#2D1F9B
RGB	rgb(45, 31, 155)
HSL	hsl(247, 67%, 36%)
HSV	hsv(247, 80%, 61%)
CMYK	cmyk(71%, 80%, 0%, 39.2%)
CIE-LAB	lab(23.35, 44.72, -64.24)
CIE-LCH	lch(23.35, 78.27, 304.84°)
OKLab	oklab(35.9% 0.0209 -0.1857)
OKLCH	oklch(35.9% 0.187 276.4)
XYZ	xyz(7.4866, 3.9037, 31.3629)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1F9B #8D9B1F

analogous

#1F4F9B #2D1F9B #6B1F9B

triadic

#2D1F9B #9B2D1F #1F9B2D

tetradic

#2D1F9B #9B1F4F #8D9B1F #1F9B6B

square

#2D1F9B #9B1F4F #8D9B1F #1F9B6B

split-complementary

#2D1F9B #9B6B1F #4F9B1F

monochromatic

#0F0B35 #1E1568 #2D1F9B #3C29CE #6657DD

Accessibility & contrast

On white

11.79

#2D1F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2D1F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1F9B

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1F9B	#FFFFFF	#000000	##FFFFFF
##2D1F9B	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003299

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2d1f9b;
/* rgb */ color: rgb(45, 31, 155);
/* oklch */ color: oklch(35.9% 0.187 276.4);

Tailwind

colors: {
  custom: {
    50: '#785eba',
    500: '#2d1f9b',
    950: '#000000',
  },
}

SCSS

$custom: #2d1f9b;
$custom-light: #785eba;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1f9b",
  "rgb": {
    "r": 45,
    "g": 31,
    "b": 155
  },
  "hsl": {
    "h": 246.774,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35898,
    "c": 0.18685,
    "h": 276.4
  },
  "luminance": 0.03904
}

Semantic roles & 50–950 ramp

primary

#2D1F9B

secondary

#B5C155

accent

#EA3ED6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2D1F9B

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

Preview Lab → · Contrast checker → · Palette generator →