#2B23AA#2B23AA

#2B23AA is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 37.9% C 0.202 H 273.6°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2B23AA
RGB	rgb(43, 35, 170)
HSL	hsl(244, 66%, 40%)
HSV	hsv(244, 79%, 67%)
CMYK	cmyk(74.7%, 79.4%, 0%, 33.3%)
CIE-LAB	lab(25.61, 47.26, -69.61)
CIE-LCH	lch(25.61, 84.14, 304.17°)
OKLab	oklab(37.94% 0.0128 -0.2014)
OKLCH	oklch(37.94% 0.202 273.6)
XYZ	xyz(8.8506, 4.6170, 38.4471)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B23AA #A2AA23

analogous

#235EAA #2B23AA #6F23AA

triadic

#2B23AA #AA2B23 #23AA2B

tetradic

#2B23AA #AA235E #A2AA23 #23AA6F

square

#2B23AA #AA235E #A2AA23 #23AA6F

split-complementary

#2B23AA #AA6F23 #5EAA23

monochromatic

#110E44 #1E1977 #2B23AA #3E35D5 #6F68E0

Accessibility & contrast

On white

10.92

#2B23AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B23AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B23AA

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B23AA	#FFFFFF	#000000	##FFFFFF
##2B23AA	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AE

Deuteranopia (green-blind)

#0036A8

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b23aa;
/* rgb */ color: rgb(43, 35, 170);
/* oklch */ color: oklch(37.9% 0.202 273.6);

Tailwind

colors: {
  custom: {
    50: '#7a61c5',
    500: '#2b23aa',
    950: '#000000',
  },
}

SCSS

$custom: #2b23aa;
$custom-light: #7a61c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b23aa",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 170
  },
  "hsl": {
    "h": 243.556,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37939,
    "c": 0.2018,
    "h": 273.6
  },
  "luminance": 0.04618
}

Semantic roles & 50–950 ramp

primary

#2B23AA

secondary

#C0C663

accent

#E93FDF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B23AA

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

Preview Lab → · Contrast checker → · Palette generator →