#2F23A0#2F23A0

#2F23A0 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.1% C 0.189 H 276.2°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#2F23A0
RGB	rgb(47, 35, 160)
HSL	hsl(246, 64%, 38%)
HSV	hsv(246, 78%, 63%)
CMYK	cmyk(70.6%, 78.1%, 0%, 37.3%)
CIE-LAB	lab(24.78, 44.42, -64.93)
CIE-LCH	lch(24.78, 78.67, 304.38°)
OKLab	oklab(37.1% 0.0205 -0.1877)
OKLCH	oklch(37.1% 0.189 276.2)
XYZ	xyz(8.1164, 4.3437, 33.6616)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F23A0 #94A023

analogous

#2355A0 #2F23A0 #6D23A0

triadic

#2F23A0 #A02F23 #23A02F

tetradic

#2F23A0 #A02355 #94A023 #23A06D

square

#2F23A0 #A02355 #94A023 #23A06D

split-complementary

#2F23A0 #A06D23 #55A023

monochromatic

#110D3C #20186E #2F23A0 #3E2FD1 #6D61DC

Accessibility & contrast

On white

11.24

#2F23A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2F23A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F23A0

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F23A0	#FFFFFF	#000000	##FFFFFF
##2F23A0	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A4

Deuteranopia (green-blind)

#00359E

Tritanopia (blue-blind)

#004861

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2f23a0;
/* rgb */ color: rgb(47, 35, 160);
/* oklch */ color: oklch(37.1% 0.189 276.2);

Tailwind

colors: {
  custom: {
    50: '#7961bd',
    500: '#2f23a0',
    950: '#000000',
  },
}

SCSS

$custom: #2f23a0;
$custom-light: #7961bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f23a0",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 160
  },
  "hsl": {
    "h": 245.76,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37097,
    "c": 0.18881,
    "h": 276.2
  },
  "luminance": 0.04344
}

Semantic roles & 50–950 ramp

primary

#2F23A0

secondary

#B8C15D

accent

#E741D7

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2F23A0

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

Preview Lab → · Contrast checker → · Palette generator →