#2F23A4#2F23A4

#2F23A4 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.5% C 0.194 H 275.8°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#2F23A4
RGB	rgb(47, 35, 164)
HSL	hsl(246, 65%, 39%)
HSV	hsv(246, 79%, 64%)
CMYK	cmyk(71.3%, 78.7%, 0%, 35.7%)
CIE-LAB	lab(25.22, 45.69, -66.63)
CIE-LCH	lch(25.22, 80.79, 304.44°)
OKLab	oklab(37.54% 0.0195 -0.1926)
OKLCH	oklch(37.54% 0.194 275.8)
XYZ	xyz(8.4720, 4.4859, 35.5342)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F23A4 #98A423

analogous

#2358A4 #2F23A4 #7023A4

triadic

#2F23A4 #A42F23 #23A42F

tetradic

#2F23A4 #A42358 #98A423 #23A470

square

#2F23A4 #A42358 #98A423 #23A470

split-complementary

#2F23A4 #A47023 #58A423

monochromatic

#120D3F #211872 #2F23A4 #4031D3 #6F64DE

Accessibility & contrast

On white

11.07

#2F23A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2F23A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F23A4

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F23A4	#FFFFFF	#000000	##FFFFFF
##2F23A4	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f23a4;
/* rgb */ color: rgb(47, 35, 164);
/* oklch */ color: oklch(37.5% 0.194 275.8);

Tailwind

colors: {
  custom: {
    50: '#7a61c0',
    500: '#2f23a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f23a4;
$custom-light: #7a61c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f23a4",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 164
  },
  "hsl": {
    "h": 245.581,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37536,
    "c": 0.19362,
    "h": 275.8
  },
  "luminance": 0.04487
}

Semantic roles & 50–950 ramp

primary

#2F23A4

secondary

#BAC360

accent

#E840D8

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2F23A4

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

Preview Lab → · Contrast checker → · Palette generator →