#231A4D#231A4D

#231A4D is a dark, moderate violet. Relative luminance 0.016; OKLCH L 26.2% C 0.090 H 286.5°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#231A4D
RGB	rgb(35, 26, 77)
HSL	hsl(251, 50%, 20%)
HSV	hsv(251, 66%, 30%)
CMYK	cmyk(54.5%, 66.2%, 0%, 69.8%)
CIE-LAB	lab(13.42, 19.90, -30.18)
CIE-LCH	lch(13.42, 36.15, 303.40°)
OKLab	oklab(26.2% 0.0256 -0.0863)
OKLCH	oklch(26.2% 0.09 286.5)
XYZ	xyz(2.4017, 1.6318, 7.2082)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A4D #444D1A

analogous

#1A2A4D #231A4D #3C1A4D

triadic

#231A4D #4D231A #1A4D23

tetradic

#231A4D #4D1A2A #444D1A #1A4D3C

square

#231A4D #4D1A2A #444D1A #1A4D3C

split-complementary

#231A4D #4D3C1A #2A4D1A

monochromatic

#0A0817 #0E0B1F #231A4D #38297B #4D39A9

Accessibility & contrast

On white

15.83

#231A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#231A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A4D

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A4D	#FFFFFF	#000000	##FFFFFF
##231A4D	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244F

Deuteranopia (green-blind)

#00214C

Tritanopia (blue-blind)

#142630

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #231a4d;
/* rgb */ color: rgb(35, 26, 77);
/* oklch */ color: oklch(26.2% 0.090 286.5);

Tailwind

colors: {
  custom: {
    50: '#62577f',
    500: '#231a4d',
    950: '#000000',
  },
}

SCSS

$custom: #231a4d;
$custom-light: #62577f;
$custom-dark: #000000;

JSON

{
  "hex": "#231a4d",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 77
  },
  "hsl": {
    "h": 250.588,
    "s": 49.515,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26197,
    "c": 0.09006,
    "h": 286.5
  },
  "luminance": 0.01632
}

Semantic roles & 50–950 ramp

primary

#231A4D

secondary

#778340

accent

#D94FC1

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#05030A

muted

#7A787C

Preview Lab

Preview with #231A4D

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

Preview Lab → · Contrast checker → · Palette generator →