#2723BB#2723BB

#2723BB is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.7% C 0.223 H 271.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#2723BB
RGB	rgb(39, 35, 187)
HSL	hsl(242, 68%, 44%)
HSV	hsv(242, 81%, 73%)
CMYK	cmyk(79.1%, 81.3%, 0%, 26.7%)
CIE-LAB	lab(27.35, 52.32, -76.90)
CIE-LCH	lch(27.35, 93.01, 304.23°)
OKLab	oklab(39.66% 0.0041 -0.2226)
OKLCH	oklch(39.66% 0.223 271.1)
XYZ	xyz(10.4043, 5.2201, 47.4633)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2723BB #B7BB23

analogous

#236BBB #2723BB #7323BB

triadic

#2723BB #BB2723 #23BB27

tetradic

#2723BB #BB236B #B7BB23 #23BB73

square

#2723BB #BB236B #B7BB23 #23BB73

split-complementary

#2723BB #BB7323 #6BBB23

monochromatic

#111054 #1C1987 #2723BB #4440DB #7674E5

Accessibility & contrast

On white

10.27

#2723BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2723BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2723BB

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2723BB	#FFFFFF	#000000	##FFFFFF
##2723BB	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#0039B8

Tritanopia (blue-blind)

#005370

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2723bb;
/* rgb */ color: rgb(39, 35, 187);
/* oklch */ color: oklch(39.7% 0.223 271.1);

Tailwind

colors: {
  custom: {
    50: '#7d62d1',
    500: '#2723bb',
    950: '#000000',
  },
}

SCSS

$custom: #2723bb;
$custom-light: #7d62d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2723bb",
  "rgb": {
    "r": 39,
    "g": 35,
    "b": 187
  },
  "hsl": {
    "h": 241.579,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.39659,
    "c": 0.22263,
    "h": 271.1
  },
  "luminance": 0.05221
}

Semantic roles & 50–950 ramp

primary

#2723BB

secondary

#C9CC6E

accent

#EB3CE7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2723BB

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

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