#2D1F81#2D1F81

#2D1F81 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.155 H 280.3°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#2D1F81
RGB	rgb(45, 31, 129)
HSL	hsl(249, 61%, 31%)
HSV	hsv(249, 76%, 51%)
CMYK	cmyk(65.1%, 76%, 0%, 49.4%)
CIE-LAB	lab(20.53, 36.34, -52.71)
CIE-LCH	lch(20.53, 64.03, 304.58°)
OKLab	oklab(33.08% 0.0275 -0.1521)
OKLCH	oklch(33.08% 0.155 280.3)
XYZ	xyz(5.5334, 3.1224, 21.0757)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1F81 #73811F

analogous

#1F4281 #2D1F81 #5E1F81

triadic

#2D1F81 #812D1F #1F812D

tetradic

#2D1F81 #811F42 #73811F #1F815E

square

#2D1F81 #811F42 #73811F #1F815E

split-complementary

#2D1F81 #815E1F #42811F

monochromatic

#0B071E #1C1350 #2D1F81 #3E2BB2 #5B47D3

Accessibility & contrast

On white

12.93

#2D1F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2D1F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1F81

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1F81	#FFFFFF	#000000	##FFFFFF
##2D1F81	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003584

Deuteranopia (green-blind)

#002E7F

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2d1f81;
/* rgb */ color: rgb(45, 31, 129);
/* oklch */ color: oklch(33.1% 0.155 280.3);

Tailwind

colors: {
  custom: {
    50: '#725da7',
    500: '#2d1f81',
    950: '#000000',
  },
}

SCSS

$custom: #2d1f81;
$custom-light: #725da7;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1f81",
  "rgb": {
    "r": 45,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 248.571,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33076,
    "c": 0.15457,
    "h": 280.3
  },
  "luminance": 0.03123
}

Semantic roles & 50–950 ramp

primary

#2D1F81

secondary

#A4B448

accent

#E443CD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #2D1F81

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

Preview Lab → · Contrast checker → · Palette generator →