#231AA1#231AA1

#231AA1 is a dark, highly saturated blue. Relative luminance 0.037; OKLCH L 35.4% C 0.201 H 272.2°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#231AA1
RGB	rgb(35, 26, 161)
HSL	hsl(244, 72%, 37%)
HSV	hsv(244, 84%, 63%)
CMYK	cmyk(78.3%, 83.9%, 0%, 36.9%)
CIE-LAB	lab(22.54, 48.26, -69.26)
CIE-LCH	lch(22.54, 84.42, 304.87°)
OKLab	oklab(35.36% 0.0078 -0.2004)
OKLCH	oklch(35.36% 0.201 272.2)
XYZ	xyz(7.4934, 3.6685, 34.0245)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231AA1 #98A11A

analogous

#1A55A1 #231AA1 #671AA1

triadic

#231AA1 #A1231A #1AA123

tetradic

#231AA1 #A11A55 #98A11A #1AA167

square

#231AA1 #A11A55 #98A11A #1AA167

split-complementary

#231AA1 #A1671A #55A11A

monochromatic

#0C0938 #18116C #231AA1 #2E23D6 #5C52E3

Accessibility & contrast

On white

12.11

#231AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#231AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231AA1

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231AA1	#FFFFFF	#000000	##FFFFFF
##231AA1	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#002F9F

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #231aa1;
/* rgb */ color: rgb(35, 26, 161);
/* oklch */ color: oklch(35.4% 0.201 272.2);

Tailwind

colors: {
  custom: {
    50: '#765bbe',
    500: '#231aa1',
    950: '#000000',
  },
}

SCSS

$custom: #231aa1;
$custom-light: #765bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#231aa1",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 161
  },
  "hsl": {
    "h": 244,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35363,
    "c": 0.20054,
    "h": 272.2
  },
  "luminance": 0.03669
}

Semantic roles & 50–950 ramp

primary

#231AA1

secondary

#BEC651

accent

#EF39E3

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #231AA1

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

Preview Lab → · Contrast checker → · Palette generator →