#2723B0#2723B0

#2723B0 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.4% C 0.210 H 271.8°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#2723B0
RGB	rgb(39, 35, 176)
HSL	hsl(242, 67%, 41%)
HSV	hsv(242, 80%, 69%)
CMYK	cmyk(77.8%, 80.1%, 0%, 31%)
CIE-LAB	lab(26.06, 48.87, -72.49)
CIE-LCH	lch(26.06, 87.42, 303.99°)
OKLab	oklab(38.39% 0.0065 -0.2098)
OKLCH	oklch(38.39% 0.21 271.8)
XYZ	xyz(9.2716, 4.7670, 41.4974)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2723B0 #ACB023

analogous

#2366B0 #2723B0 #6E23B0

triadic

#2723B0 #B02723 #23B027

tetradic

#2723B0 #B02366 #ACB023 #23B06E

square

#2723B0 #B02366 #ACB023 #23B06E

split-complementary

#2723B0 #B06E23 #66B023

monochromatic

#100F4A #1C197D #2723B0 #3D39D8 #6F6CE2

Accessibility & contrast

On white

10.75

#2723B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2723B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2723B0

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2723B0	#FFFFFF	#000000	##FFFFFF
##2723B0	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B4

Deuteranopia (green-blind)

#0037AE

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2723b0;
/* rgb */ color: rgb(39, 35, 176);
/* oklch */ color: oklch(38.4% 0.210 271.8);

Tailwind

colors: {
  custom: {
    50: '#7a61c9',
    500: '#2723b0',
    950: '#000000',
  },
}

SCSS

$custom: #2723b0;
$custom-light: #7a61c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2723b0",
  "rgb": {
    "r": 39,
    "g": 35,
    "b": 176
  },
  "hsl": {
    "h": 241.702,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38386,
    "c": 0.20991,
    "h": 271.8
  },
  "luminance": 0.04768
}

Semantic roles & 50–950 ramp

primary

#2723B0

secondary

#C5C867

accent

#EA3EE5

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2723B0

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

Preview Lab → · Contrast checker → · Palette generator →