#2D1F91#2D1F91

#2D1F91 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.175 H 277.8°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#2D1F91
RGB	rgb(45, 31, 145)
HSL	hsl(247, 65%, 35%)
HSV	hsv(247, 79%, 57%)
CMYK	cmyk(69%, 78.6%, 0%, 43.1%)
CIE-LAB	lab(22.24, 41.54, -59.91)
CIE-LCH	lch(22.24, 72.91, 304.73°)
OKLab	oklab(34.79% 0.0236 -0.1731)
OKLCH	oklch(34.79% 0.175 277.8)
XYZ	xyz(6.6814, 3.5816, 27.1218)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1F91 #83911F

analogous

#1F4A91 #2D1F91 #661F91

triadic

#2D1F91 #912D1F #1F912D

tetradic

#2D1F91 #911F4A #83911F #1F9166

square

#2D1F91 #911F4A #83911F #1F9166

split-complementary

#2D1F91 #91661F #4A911F

monochromatic

#0E092C #1D145F #2D1F91 #3D2AC3 #6251DA

Accessibility & contrast

On white

12.23

#2D1F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2D1F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1F91

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1F91	#FFFFFF	#000000	##FFFFFF
##2D1F91	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A94

Deuteranopia (green-blind)

#00308F

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2d1f91;
/* rgb */ color: rgb(45, 31, 145);
/* oklch */ color: oklch(34.8% 0.175 277.8);

Tailwind

colors: {
  custom: {
    50: '#755db2',
    500: '#2d1f91',
    950: '#000000',
  },
}

SCSS

$custom: #2d1f91;
$custom-light: #755db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1f91",
  "rgb": {
    "r": 45,
    "g": 31,
    "b": 145
  },
  "hsl": {
    "h": 247.368,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.3479,
    "c": 0.17469,
    "h": 277.8
  },
  "luminance": 0.03582
}

Semantic roles & 50–950 ramp

primary

#2D1F91

secondary

#AFBD4F

accent

#E840D3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2D1F91

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

Preview Lab → · Contrast checker → · Palette generator →