#231AAA#231AAA

#231AAA is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.5% C 0.211 H 271.5°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#231AAA
RGB	rgb(35, 26, 170)
HSL	hsl(244, 73%, 38%)
HSV	hsv(244, 85%, 67%)
CMYK	cmyk(79.4%, 84.7%, 0%, 33.3%)
CIE-LAB	lab(23.66, 51.01, -72.86)
CIE-LCH	lch(23.66, 88.94, 304.99°)
OKLab	oklab(36.46% 0.0055 -0.2108)
OKLCH	oklch(36.46% 0.211 271.5)
XYZ	xyz(8.3158, 3.9975, 38.3557)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231AAA #A1AA1A

analogous

#1A59AA #231AAA #6B1AAA

triadic

#231AAA #AA231A #1AAA23

tetradic

#231AAA #AA1A59 #A1AA1A #1AAA6B

square

#231AAA #AA1A59 #A1AA1A #1AAA6B

split-complementary

#231AAA #AA6B1A #59AA1A

monochromatic

#0D0A40 #181275 #231AAA #2F24DD #6259E6

Accessibility & contrast

On white

11.67

#231AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#231AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231AAA

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231AAA	#FFFFFF	#000000	##FFFFFF
##231AAA	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAE

Deuteranopia (green-blind)

#0031A8

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #231aaa;
/* rgb */ color: rgb(35, 26, 170);
/* oklch */ color: oklch(36.5% 0.211 271.5);

Tailwind

colors: {
  custom: {
    50: '#785cc5',
    500: '#231aaa',
    950: '#000000',
  },
}

SCSS

$custom: #231aaa;
$custom-light: #785cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#231aaa",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 170
  },
  "hsl": {
    "h": 243.75,
    "s": 73.469,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36455,
    "c": 0.21088,
    "h": 271.5
  },
  "luminance": 0.03998
}

Semantic roles & 50–950 ramp

primary

#231AAA

secondary

#C2C957

accent

#F038E5

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #231AAA

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

Preview Lab → · Contrast checker → · Palette generator →