#2B23BD#2B23BD

#2B23BD is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.1% C 0.224 H 272.1°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B23BD
RGB	rgb(43, 35, 189)
HSL	hsl(243, 69%, 44%)
HSV	hsv(243, 81%, 74%)
CMYK	cmyk(77.2%, 81.5%, 0%, 25.9%)
CIE-LAB	lab(27.81, 53.17, -77.31)
CIE-LCH	lch(27.81, 93.83, 304.52°)
OKLab	oklab(40.11% 0.0083 -0.2237)
OKLCH	oklch(40.11% 0.224 272.1)
XYZ	xyz(10.7795, 5.3886, 48.6062)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B23BD #B5BD23

analogous

#2368BD #2B23BD #7823BD

triadic

#2B23BD #BD2B23 #23BD2B

tetradic

#2B23BD #BD2368 #B5BD23 #23BD78

square

#2B23BD #BD2368 #B5BD23 #23BD78

split-complementary

#2B23BD #BD7823 #68BD23

monochromatic

#141056 #1F1989 #2B23BD #4941DC #7B75E5

Accessibility & contrast

On white

10.11

#2B23BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2B23BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B23BD

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B23BD	#FFFFFF	#000000	##FFFFFF
##2B23BD	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C1

Deuteranopia (green-blind)

#003ABA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b23bd;
/* rgb */ color: rgb(43, 35, 189);
/* oklch */ color: oklch(40.1% 0.224 272.1);

Tailwind

colors: {
  custom: {
    50: '#7f62d2',
    500: '#2b23bd',
    950: '#000000',
  },
}

SCSS

$custom: #2b23bd;
$custom-light: #7f62d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b23bd",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 189
  },
  "hsl": {
    "h": 243.117,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40108,
    "c": 0.22386,
    "h": 272.1
  },
  "luminance": 0.0539
}

Semantic roles & 50–950 ramp

primary

#2B23BD

secondary

#C8CD6F

accent

#EC3CE2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2B23BD

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

Preview Lab → · Contrast checker → · Palette generator →