#231A97#231A97

#231A97 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.2% C 0.189 H 273.1°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#231A97
RGB	rgb(35, 26, 151)
HSL	hsl(244, 71%, 35%)
HSV	hsv(244, 83%, 59%)
CMYK	cmyk(76.8%, 82.8%, 0%, 40.8%)
CIE-LAB	lab(21.32, 45.14, -65.17)
CIE-LCH	lch(21.32, 79.27, 304.71°)
OKLab	oklab(34.16% 0.0104 -0.1885)
OKLCH	oklch(34.16% 0.189 273.1)
XYZ	xyz(6.6466, 3.3298, 29.5646)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A97 #8E971A

analogous

#1A5097 #231A97 #621A97

triadic

#231A97 #97231A #1A9723

tetradic

#231A97 #971A50 #8E971A #1A9762

square

#231A97 #971A50 #8E971A #1A9762

split-complementary

#231A97 #97621A #50971A

monochromatic

#0B082F #171163 #231A97 #2F23CB #564BE0

Accessibility & contrast

On white

12.61

#231A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#231A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A97

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A97	#FFFFFF	#000000	##FFFFFF
##231A97	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399A

Deuteranopia (green-blind)

#002D95

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #231a97;
/* rgb */ color: rgb(35, 26, 151);
/* oklch */ color: oklch(34.2% 0.189 273.1);

Tailwind

colors: {
  custom: {
    50: '#735bb7',
    500: '#231a97',
    950: '#000000',
  },
}

SCSS

$custom: #231a97;
$custom-light: #735bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#231a97",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 151
  },
  "hsl": {
    "h": 244.32,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34163,
    "c": 0.1888,
    "h": 273.1
  },
  "luminance": 0.0333
}

Semantic roles & 50–950 ramp

primary

#231A97

secondary

#B9C24B

accent

#ED3AE1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #231A97

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

Preview Lab → · Contrast checker → · Palette generator →