#231997#231997

#231997 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.1% C 0.190 H 273.2°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#231997
RGB	rgb(35, 25, 151)
HSL	hsl(245, 72%, 35%)
HSV	hsv(245, 83%, 59%)
CMYK	cmyk(76.8%, 83.4%, 0%, 40.8%)
CIE-LAB	lab(21.16, 45.62, -65.44)
CIE-LCH	lch(21.16, 79.77, 304.88°)
OKLab	oklab(34.05% 0.0107 -0.1893)
OKLCH	oklch(34.05% 0.19 273.2)
XYZ	xyz(6.6248, 3.2863, 29.5573)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231997 #8D9719

analogous

#194E97 #231997 #621997

triadic

#231997 #972319 #199723

tetradic

#231997 #97194E #8D9719 #199762

square

#231997 #97194E #8D9719 #199762

split-complementary

#231997 #976219 #4E9719

monochromatic

#0B082E #171062 #231997 #2F22CC #5549E1

Accessibility & contrast

On white

12.67

#231997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#231997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231997

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231997	#FFFFFF	#000000	##FFFFFF
##231997	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399A

Deuteranopia (green-blind)

#002D95

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #231997;
/* rgb */ color: rgb(35, 25, 151);
/* oklch */ color: oklch(34.1% 0.190 273.2);

Tailwind

colors: {
  custom: {
    50: '#735ab7',
    500: '#231997',
    950: '#000000',
  },
}

SCSS

$custom: #231997;
$custom-light: #735ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#231997",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 151
  },
  "hsl": {
    "h": 244.762,
    "s": 71.591,
    "l": 34.51
  },
  "oklch": {
    "l": 0.3405,
    "c": 0.18958,
    "h": 273.2
  },
  "luminance": 0.03287
}

Semantic roles & 50–950 ramp

primary

#231997

secondary

#B9C349

accent

#EE39E0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #231997

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

Preview Lab → · Contrast checker → · Palette generator →