#2F1D8B#2F1D8B

#2F1D8B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.0% C 0.169 H 280.0°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F1D8B
RGB	rgb(47, 29, 139)
HSL	hsl(250, 65%, 33%)
HSV	hsv(250, 79%, 55%)
CMYK	cmyk(66.2%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(21.38, 40.90, -57.58)
CIE-LCH	lch(21.38, 70.63, 305.39°)
OKLab	oklab(34.04% 0.0293 -0.1662)
OKLCH	oklch(34.04% 0.169 280)
XYZ	xyz(6.2704, 3.3467, 24.7366)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1D8B #798B1D

analogous

#1D428B #2F1D8B #661D8B

triadic

#2F1D8B #8B2F1D #1D8B2F

tetradic

#2F1D8B #8B1D42 #798B1D #1D8B66

square

#2F1D8B #8B1D42 #798B1D #1D8B66

split-complementary

#2F1D8B #8B661D #428B1D

monochromatic

#0D0826 #1E1258 #2F1D8B #4028BE #6149D9

Accessibility & contrast

On white

12.58

#2F1D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2F1D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1D8B

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1D8B	#FFFFFF	#000000	##FFFFFF
##2F1D8B	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002F89

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2f1d8b;
/* rgb */ color: rgb(47, 29, 139);
/* oklch */ color: oklch(34.0% 0.169 280.0);

Tailwind

colors: {
  custom: {
    50: '#755cae',
    500: '#2f1d8b',
    950: '#000000',
  },
}

SCSS

$custom: #2f1d8b;
$custom-light: #755cae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1d8b",
  "rgb": {
    "r": 47,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 249.818,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34039,
    "c": 0.16879,
    "h": 280
  },
  "luminance": 0.03347
}

Semantic roles & 50–950 ramp

primary

#2F1D8B

secondary

#A8BB49

accent

#E83FCD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2F1D8B

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

Preview Lab → · Contrast checker → · Palette generator →