#2F23B0#2F23B0

#2F23B0 is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.9% C 0.208 H 274.6°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#2F23B0
RGB	rgb(47, 35, 176)
HSL	hsl(245, 67%, 41%)
HSV	hsv(245, 80%, 69%)
CMYK	cmyk(73.3%, 80.1%, 0%, 31%)
CIE-LAB	lab(26.56, 49.45, -71.64)
CIE-LCH	lch(26.56, 87.05, 304.62°)
OKLab	oklab(38.87% 0.0165 -0.2072)
OKLCH	oklch(38.87% 0.208 274.6)
XYZ	xyz(9.6072, 4.9400, 41.5131)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F23B0 #A4B023

analogous

#235EB0 #2F23B0 #7623B0

triadic

#2F23B0 #B02F23 #23B02F

tetradic

#2F23B0 #B0235E #A4B023 #23B076

square

#2F23B0 #B0235E #A4B023 #23B076

split-complementary

#2F23B0 #B07623 #5EB023

monochromatic

#140F4A #21197D #2F23B0 #4639D8 #766CE2

Accessibility & contrast

On white

10.56

#2F23B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F23B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F23B0

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F23B0	#FFFFFF	#000000	##FFFFFF
##2F23B0	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B4

Deuteranopia (green-blind)

#0038AE

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f23b0;
/* rgb */ color: rgb(47, 35, 176);
/* oklch */ color: oklch(38.9% 0.208 274.6);

Tailwind

colors: {
  custom: {
    50: '#7d62c9',
    500: '#2f23b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f23b0;
$custom-light: #7d62c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f23b0",
  "rgb": {
    "r": 47,
    "g": 35,
    "b": 176
  },
  "hsl": {
    "h": 245.106,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.3887,
    "c": 0.20784,
    "h": 274.6
  },
  "luminance": 0.04941
}

Semantic roles & 50–950 ramp

primary

#2F23B0

secondary

#C0C867

accent

#EA3EDB

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2F23B0

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

Preview Lab → · Contrast checker → · Palette generator →