#231A98#231A98

#231A98 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.190 H 273.1°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#231A98
RGB	rgb(35, 26, 152)
HSL	hsl(244, 71%, 35%)
HSV	hsv(244, 83%, 60%)
CMYK	cmyk(77%, 82.9%, 0%, 40.4%)
CIE-LAB	lab(21.44, 45.45, -65.58)
CIE-LCH	lch(21.44, 79.79, 304.72°)
OKLab	oklab(34.28% 0.0101 -0.1897)
OKLCH	oklch(34.28% 0.19 273.1)
XYZ	xyz(6.7281, 3.3624, 29.9941)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A98 #8F981A

analogous

#1A5098 #231A98 #621A98

triadic

#231A98 #98231A #1A9823

tetradic

#231A98 #981A50 #8F981A #1A9862

square

#231A98 #981A50 #8F981A #1A9862

split-complementary

#231A98 #98621A #50981A

monochromatic

#0B082F #171164 #231A98 #2F23CC #574CE0

Accessibility & contrast

On white

12.56

#231A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#231A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A98

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A98	#FFFFFF	#000000	##FFFFFF
##231A98	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399B

Deuteranopia (green-blind)

#002D96

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #231a98;
/* rgb */ color: rgb(35, 26, 152);
/* oklch */ color: oklch(34.3% 0.190 273.1);

Tailwind

colors: {
  custom: {
    50: '#745bb8',
    500: '#231a98',
    950: '#000000',
  },
}

SCSS

$custom: #231a98;
$custom-light: #745bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#231a98",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 152
  },
  "hsl": {
    "h": 244.286,
    "s": 70.787,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34283,
    "c": 0.18999,
    "h": 273.1
  },
  "luminance": 0.03363
}

Semantic roles & 50–950 ramp

primary

#231A98

secondary

#BAC24B

accent

#EE3AE1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #231A98

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

Preview Lab → · Contrast checker → · Palette generator →