#2B237A#2B237A

#2B237A is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.8% C 0.141 H 279.4°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B237A
RGB	rgb(43, 35, 122)
HSL	hsl(246, 55%, 31%)
HSV	hsv(246, 71%, 48%)
CMYK	cmyk(64.8%, 71.3%, 0%, 52.2%)
CIE-LAB	lab(20.52, 31.29, -48.29)
CIE-LCH	lch(20.52, 57.54, 302.94°)
OKLab	oklab(32.81% 0.0229 -0.1392)
OKLCH	oklch(32.81% 0.141 279.4)
XYZ	xyz(5.1090, 3.1204, 18.7416)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B237A #727A23

analogous

#23467A #2B237A #56237A

triadic

#2B237A #7A2B23 #237A2B

tetradic

#2B237A #7A2346 #727A23 #237A56

square

#2B237A #7A2346 #727A23 #237A56

split-complementary

#2B237A #7A5623 #467A23

monochromatic

#09081B #1A154A #2B237A #3C31AA #584CCC

Accessibility & contrast

On white

12.93

#2B237A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B237A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B237A

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B237A	#FFFFFF	#000000	##FFFFFF
##2B237A	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357D

Deuteranopia (green-blind)

#002E78

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b237a;
/* rgb */ color: rgb(43, 35, 122);
/* oklch */ color: oklch(32.8% 0.141 279.4);

Tailwind

colors: {
  custom: {
    50: '#6f5fa1',
    500: '#2b237a',
    950: '#000000',
  },
}

SCSS

$custom: #2b237a;
$custom-light: #6f5fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b237a",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 122
  },
  "hsl": {
    "h": 245.517,
    "s": 55.414,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32813,
    "c": 0.14111,
    "h": 279.4
  },
  "luminance": 0.03121
}

Semantic roles & 50–950 ramp

primary

#2B237A

secondary

#A4AD4C

accent

#DF49D1

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B237A

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

Preview Lab → · Contrast checker → · Palette generator →