#231998#231998

#231998 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.2% C 0.191 H 273.1°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#231998
RGB	rgb(35, 25, 152)
HSL	hsl(245, 72%, 35%)
HSV	hsv(245, 84%, 60%)
CMYK	cmyk(77%, 83.6%, 0%, 40.4%)
CIE-LAB	lab(21.28, 45.93, -65.85)
CIE-LCH	lch(21.28, 80.28, 304.89°)
OKLab	oklab(34.17% 0.0104 -0.1905)
OKLCH	oklch(34.17% 0.191 273.1)
XYZ	xyz(6.7064, 3.3189, 29.9868)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231998 #8E9819

analogous

#194F98 #231998 #621998

triadic

#231998 #982319 #199823

tetradic

#231998 #98194F #8E9819 #199862

square

#231998 #98194F #8E9819 #199862

split-complementary

#231998 #986219 #4F9819

monochromatic

#0B082F #171063 #231998 #2F22CD #564AE1

Accessibility & contrast

On white

12.62

#231998 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#231998 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231998

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231998	#FFFFFF	#000000	##FFFFFF
##231998	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	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: #231998;
/* rgb */ color: rgb(35, 25, 152);
/* oklch */ color: oklch(34.2% 0.191 273.1);

Tailwind

colors: {
  custom: {
    50: '#745ab8',
    500: '#231998',
    950: '#000000',
  },
}

SCSS

$custom: #231998;
$custom-light: #745ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#231998",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 152
  },
  "hsl": {
    "h": 244.724,
    "s": 71.751,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3417,
    "c": 0.19076,
    "h": 273.1
  },
  "luminance": 0.0332
}

Semantic roles & 50–950 ramp

primary

#231998

secondary

#B9C34A

accent

#EE39E0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #231998

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

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