#2B23A2#2B23A2

#2B23A2 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.0% C 0.192 H 274.4°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B23A2
RGB	rgb(43, 35, 162)
HSL	hsl(244, 64%, 39%)
HSV	hsv(244, 78%, 64%)
CMYK	cmyk(73.5%, 78.4%, 0%, 36.5%)
CIE-LAB	lab(24.71, 44.69, -66.26)
CIE-LCH	lch(24.71, 79.93, 304.00°)
OKLab	oklab(37.04% 0.0147 -0.1917)
OKLCH	oklch(37.04% 0.192 274.4)
XYZ	xyz(8.1167, 4.3235, 34.5822)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B23A2 #9AA223

analogous

#235AA2 #2B23A2 #6A23A2

triadic

#2B23A2 #A22B23 #23A22B

tetradic

#2B23A2 #A2235A #9AA223 #23A26A

square

#2B23A2 #A2235A #9AA223 #23A26A

split-complementary

#2B23A2 #A26A23 #5AA223

monochromatic

#100D3D #1E1870 #2B23A2 #3A30D2 #6A62DD

Accessibility & contrast

On white

11.26

#2B23A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2B23A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B23A2

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B23A2	#FFFFFF	#000000	##FFFFFF
##2B23A2	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A6

Deuteranopia (green-blind)

#0035A0

Tritanopia (blue-blind)

#004962

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b23a2;
/* rgb */ color: rgb(43, 35, 162);
/* oklch */ color: oklch(37.0% 0.192 274.4);

Tailwind

colors: {
  custom: {
    50: '#7861bf',
    500: '#2b23a2',
    950: '#000000',
  },
}

SCSS

$custom: #2b23a2;
$custom-light: #7861bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b23a2",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 162
  },
  "hsl": {
    "h": 243.78,
    "s": 64.467,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37044,
    "c": 0.19222,
    "h": 274.4
  },
  "luminance": 0.04324
}

Semantic roles & 50–950 ramp

primary

#2B23A2

secondary

#BCC25E

accent

#E740DD

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2B23A2

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

Preview Lab → · Contrast checker → · Palette generator →