#2F239B#2F239B

#2F239B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.6% C 0.183 H 276.8°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#2F239B
RGB	rgb(47, 35, 155)
HSL	hsl(246, 63%, 37%)
HSV	hsv(246, 77%, 61%)
CMYK	cmyk(69.7%, 77.4%, 0%, 39.2%)
CIE-LAB	lab(24.23, 42.82, -62.77)
CIE-LCH	lch(24.23, 75.99, 304.30°)
OKLab	oklab(36.56% 0.0217 -0.1814)
OKLCH	oklch(36.56% 0.183 276.8)
XYZ	xyz(7.6878, 4.1723, 31.4042)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F239B #8F9B23

analogous

#23539B #2F239B #6B239B

triadic

#2F239B #9B2F23 #239B2F

tetradic

#2F239B #9B2353 #8F9B23 #239B6B

square

#2F239B #9B2353 #8F9B23 #239B6B

split-complementary

#2F239B #9B6B23 #539B23

monochromatic

#110C37 #201869 #2F239B #3E2ECD #6A5EDB

Accessibility & contrast

On white

11.45

#2F239B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2F239B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F239B

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F239B	#FFFFFF	#000000	##FFFFFF
##2F239B	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2f239b;
/* rgb */ color: rgb(47, 35, 155);
/* oklch */ color: oklch(36.6% 0.183 276.8);

Tailwind

colors: {
  custom: {
    50: '#7861ba',
    500: '#2f239b',
    950: '#000000',
  },
}

SCSS

$custom: #2f239b;
$custom-light: #7861ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f239b",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 155
  },
  "hsl": {
    "h": 246,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36555,
    "c": 0.1827,
    "h": 276.8
  },
  "luminance": 0.04173
}

Semantic roles & 50–950 ramp

primary

#2F239B

secondary

#B5BF5A

accent

#E642D6

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2F239B

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

Preview Lab → · Contrast checker → · Palette generator →