#2F23A3#2F23A3

#2F23A3 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.192 H 275.9°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F23A3
RGB	rgb(47, 35, 163)
HSL	hsl(246, 65%, 39%)
HSV	hsv(246, 79%, 64%)
CMYK	cmyk(71.2%, 78.5%, 0%, 36.1%)
CIE-LAB	lab(25.11, 45.37, -66.21)
CIE-LCH	lch(25.11, 80.26, 304.42°)
OKLab	oklab(37.43% 0.0198 -0.1914)
OKLCH	oklch(37.43% 0.192 275.9)
XYZ	xyz(8.3820, 4.4500, 35.0604)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F23A3 #97A323

analogous

#2357A3 #2F23A3 #6F23A3

triadic

#2F23A3 #A32F23 #23A32F

tetradic

#2F23A3 #A32357 #97A323 #23A36F

square

#2F23A3 #A32357 #97A323 #23A36F

split-complementary

#2F23A3 #A36F23 #57A323

monochromatic

#120D3E #201871 #2F23A3 #4031D3 #6E63DD

Accessibility & contrast

On white

11.11

#2F23A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2F23A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F23A3

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F23A3	#FFFFFF	#000000	##FFFFFF
##2F23A3	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A7

Deuteranopia (green-blind)

#0036A1

Tritanopia (blue-blind)

#004962

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f23a3;
/* rgb */ color: rgb(47, 35, 163);
/* oklch */ color: oklch(37.4% 0.192 275.9);

Tailwind

colors: {
  custom: {
    50: '#7a61c0',
    500: '#2f23a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f23a3;
$custom-light: #7a61c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f23a3",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 163
  },
  "hsl": {
    "h": 245.625,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37426,
    "c": 0.19243,
    "h": 275.9
  },
  "luminance": 0.04451
}

Semantic roles & 50–950 ramp

primary

#2F23A3

secondary

#B9C35F

accent

#E840D8

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2F23A3

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

Preview Lab → · Contrast checker → · Palette generator →