#2D1F9F#2D1F9F

#2D1F9F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.3% C 0.192 H 275.9°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#2D1F9F
RGB	rgb(45, 31, 159)
HSL	hsl(247, 67%, 37%)
HSV	hsv(247, 81%, 62%)
CMYK	cmyk(71.7%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(23.80, 45.97, -65.93)
CIE-LCH	lch(23.80, 80.38, 304.89°)
OKLab	oklab(36.35% 0.0199 -0.1906)
OKLCH	oklch(36.35% 0.192 275.9)
XYZ	xyz(7.8281, 4.0403, 33.1615)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1F9F #919F1F

analogous

#1F519F #2D1F9F #6D1F9F

triadic

#2D1F9F #9F2D1F #1F9F2D

tetradic

#2D1F9F #9F1F51 #919F1F #1F9F6D

square

#2D1F9F #9F1F51 #919F1F #1F9F6D

split-complementary

#2D1F9F #9F6D1F #519F1F

monochromatic

#100B39 #1F156C #2D1F9F #3B29D2 #685ADF

Accessibility & contrast

On white

11.61

#2D1F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2D1F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1F9F

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1F9F	#FFFFFF	#000000	##FFFFFF
##2D1F9F	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00339D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2d1f9f;
/* rgb */ color: rgb(45, 31, 159);
/* oklch */ color: oklch(36.3% 0.192 275.9);

Tailwind

colors: {
  custom: {
    50: '#785ebd',
    500: '#2d1f9f',
    950: '#000000',
  },
}

SCSS

$custom: #2d1f9f;
$custom-light: #785ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1f9f",
  "rgb": {
    "r": 45,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 246.563,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36347,
    "c": 0.19163,
    "h": 275.9
  },
  "luminance": 0.04041
}

Semantic roles & 50–950 ramp

primary

#2D1F9F

secondary

#B7C357

accent

#EA3ED7

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2D1F9F

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

Preview Lab → · Contrast checker → · Palette generator →