#23239D#23239D

#23239D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.0% C 0.188 H 271.8°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#23239D
RGB	rgb(35, 35, 157)
HSL	hsl(240, 64%, 38%)
HSV	hsv(240, 78%, 62%)
CMYK	cmyk(77.7%, 77.7%, 0%, 38.4%)
CIE-LAB	lab(23.65, 42.39, -64.99)
CIE-LCH	lch(23.65, 77.60, 303.12°)
OKLab	oklab(36% 0.0059 -0.1881)
OKLCH	oklch(36% 0.188 271.8)
XYZ	xyz(7.3779, 3.9929, 32.2736)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23239D #9D9D23

analogous

#23609D #23239D #60239D

triadic

#23239D #9D2323 #239D23

tetradic

#23239D #9D2360 #9D9D23 #239D60

square

#23239D #9D2360 #9D9D23 #239D60

split-complementary

#23239D #9D6023 #609D23

monochromatic

#0D0D39 #18186B #23239D #2E2ECF #5F5FDB

Accessibility & contrast

On white

11.67

#23239D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#23239D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23239D

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23239D	#FFFFFF	#000000	##FFFFFF
##23239D	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA0

Deuteranopia (green-blind)

#00329B

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #23239d;
/* rgb */ color: rgb(35, 35, 157);
/* oklch */ color: oklch(36.0% 0.188 271.8);

Tailwind

colors: {
  custom: {
    50: '#7460bb',
    500: '#23239d',
    950: '#000000',
  },
}

SCSS

$custom: #23239d;
$custom-light: #7460bb;
$custom-dark: #000000;

JSON

{
  "hex": "#23239d",
  "rgb": {
    "r": 35,
    "g": 35,
    "b": 157
  },
  "hsl": {
    "h": 240,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.35996,
    "c": 0.18823,
    "h": 271.8
  },
  "luminance": 0.03994
}

Semantic roles & 50–950 ramp

primary

#23239D

secondary

#C0C05C

accent

#E741E7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #23239D

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

Preview Lab → · Contrast checker → · Palette generator →