#2B237F#2B237F

#2B237F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.3% C 0.148 H 278.6°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B237F
RGB	rgb(43, 35, 127)
HSL	hsl(245, 57%, 32%)
HSV	hsv(245, 72%, 50%)
CMYK	cmyk(66.1%, 72.4%, 0%, 50.2%)
CIE-LAB	lab(21.01, 33.01, -50.66)
CIE-LCH	lch(21.01, 60.47, 303.09°)
OKLab	oklab(33.31% 0.0221 -0.1462)
OKLCH	oklch(33.31% 0.148 278.6)
XYZ	xyz(5.4268, 3.2475, 20.4154)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B237F #777F23

analogous

#23497F #2B237F #59237F

triadic

#2B237F #7F2B23 #237F2B

tetradic

#2B237F #7F2349 #777F23 #237F59

square

#2B237F #7F2349 #777F23 #237F59

split-complementary

#2B237F #7F5923 #497F23

monochromatic

#0B091F #1B164F #2B237F #3B30AF #594ECE

Accessibility & contrast

On white

12.73

#2B237F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#2B237F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B237F

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B237F	#FFFFFF	#000000	##FFFFFF
##2B237F	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#002F7D

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2b237f;
/* rgb */ color: rgb(43, 35, 127);
/* oklch */ color: oklch(33.3% 0.148 278.6);

Tailwind

colors: {
  custom: {
    50: '#705fa5',
    500: '#2b237f',
    950: '#000000',
  },
}

SCSS

$custom: #2b237f;
$custom-light: #705fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b237f",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 127
  },
  "hsl": {
    "h": 245.217,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33314,
    "c": 0.14784,
    "h": 278.6
  },
  "luminance": 0.03248
}

Semantic roles & 50–950 ramp

primary

#2B237F

secondary

#A9B14C

accent

#E048D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B237F

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

Preview Lab → · Contrast checker → · Palette generator →