#23289D#23289D

#23289D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.183 H 271.2°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#23289D
RGB	rgb(35, 40, 157)
HSL	hsl(238, 64%, 38%)
HSV	hsv(238, 78%, 62%)
CMYK	cmyk(77.7%, 74.5%, 0%, 38.4%)
CIE-LAB	lab(24.67, 39.51, -63.31)
CIE-LCH	lch(24.67, 74.63, 301.97°)
OKLab	oklab(36.72% 0.0038 -0.1833)
OKLCH	oklch(36.72% 0.183 271.2)
XYZ	xyz(7.5357, 4.3084, 32.3262)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23289D #9D9823

analogous

#23659D #23289D #5B239D

triadic

#23289D #9D2328 #289D23

tetradic

#23289D #9D2365 #9D9823 #239D5B

square

#23289D #9D2365 #9D9823 #239D5B

split-complementary

#23289D #9D5B23 #659D23

monochromatic

#0D0E39 #181B6B #23289D #2E35CF #5F64DB

Accessibility & contrast

On white

11.28

#23289D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#23289D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23289D

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23289D	#FFFFFF	#000000	##FFFFFF
##23289D	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A0

Deuteranopia (green-blind)

#00349B

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23289d;
/* rgb */ color: rgb(35, 40, 157);
/* oklch */ color: oklch(36.7% 0.183 271.2);

Tailwind

colors: {
  custom: {
    50: '#7463bb',
    500: '#23289d',
    950: '#000000',
  },
}

SCSS

$custom: #23289d;
$custom-light: #7463bb;
$custom-dark: #000000;

JSON

{
  "hex": "#23289d",
  "rgb": {
    "r": 35,
    "g": 40,
    "b": 157
  },
  "hsl": {
    "h": 237.541,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36718,
    "c": 0.18334,
    "h": 271.2
  },
  "luminance": 0.04309
}

Semantic roles & 50–950 ramp

primary

#23289D

secondary

#C0BC5C

accent

#E041E7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #23289D

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

Preview Lab → · Contrast checker → · Palette generator →