#2C1F8B#2C1F8B

#2C1F8B is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.167 H 278.1°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#2C1F8B
RGB	rgb(44, 31, 139)
HSL	hsl(247, 64%, 33%)
HSV	hsv(247, 78%, 55%)
CMYK	cmyk(68.3%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(21.50, 39.49, -57.40)
CIE-LCH	lch(21.50, 69.67, 304.53°)
OKLab	oklab(34.06% 0.0236 -0.1658)
OKLCH	oklch(34.06% 0.167 278.1)
XYZ	xyz(6.1874, 3.3790, 24.7472)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C1F8B #7E8B1F

analogous

#1F488B #2C1F8B #621F8B

triadic

#2C1F8B #8B2C1F #1F8B2C

tetradic

#2C1F8B #8B1F48 #7E8B1F #1F8B62

square

#2C1F8B #8B1F48 #7E8B1F #1F8B62

split-complementary

#2C1F8B #8B621F #488B1F

monochromatic

#0C0927 #1C1459 #2C1F8B #3C2ABD #5E4DD7

Accessibility & contrast

On white

12.53

#2C1F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2C1F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C1F8B

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C1F8B	#FFFFFF	#000000	##FFFFFF
##2C1F8B	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#002F89

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2c1f8b;
/* rgb */ color: rgb(44, 31, 139);
/* oklch */ color: oklch(34.1% 0.167 278.1);

Tailwind

colors: {
  custom: {
    50: '#745dae',
    500: '#2c1f8b',
    950: '#000000',
  },
}

SCSS

$custom: #2c1f8b;
$custom-light: #745dae;
$custom-dark: #000000;

JSON

{
  "hex": "#2c1f8b",
  "rgb": {
    "r": 44,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 247.222,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34059,
    "c": 0.16747,
    "h": 278.1
  },
  "luminance": 0.0338
}

Semantic roles & 50–950 ramp

primary

#2C1F8B

secondary

#ADBA4C

accent

#E741D3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2C1F8B

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

Preview Lab → · Contrast checker → · Palette generator →