#231790#231790

#231790 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.183 H 274.1°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#231790
RGB	rgb(35, 23, 144)
HSL	hsl(246, 72%, 33%)
HSV	hsv(246, 84%, 56%)
CMYK	cmyk(75.7%, 84%, 0%, 43.5%)
CIE-LAB	lab(19.98, 44.37, -63.06)
CIE-LCH	lch(19.98, 77.10, 305.13°)
OKLab	oklab(32.99% 0.0132 -0.1824)
OKLCH	oklch(32.99% 0.183 274.1)
XYZ	xyz(6.0319, 2.9831, 26.6381)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231790 #849017

analogous

#174890 #231790 #5F1790

triadic

#231790 #902317 #179023

tetradic

#231790 #901748 #849017 #17905F

square

#231790 #901748 #849017 #17905F

split-complementary

#231790 #905F17 #489017

monochromatic

#090626 #160F5B #231790 #301FC5 #5141E1

Accessibility & contrast

On white

13.15

#231790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#231790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231790

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231790	#FFFFFF	#000000	##FFFFFF
##231790	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003693

Deuteranopia (green-blind)

#002B8E

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #231790;
/* rgb */ color: rgb(35, 23, 144);
/* oklch */ color: oklch(33.0% 0.183 274.1);

Tailwind

colors: {
  custom: {
    50: '#7258b2',
    500: '#231790',
    950: '#000000',
  },
}

SCSS

$custom: #231790;
$custom-light: #7258b2;
$custom-dark: #000000;

JSON

{
  "hex": "#231790",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 144
  },
  "hsl": {
    "h": 245.95,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32987,
    "c": 0.18283,
    "h": 274.1
  },
  "luminance": 0.02984
}

Semantic roles & 50–950 ramp

primary

#231790

secondary

#B4C142

accent

#EF39DD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231790

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

Preview Lab → · Contrast checker → · Palette generator →