#23289E#23289E

#23289E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.185 H 271.1°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#23289E
RGB	rgb(35, 40, 158)
HSL	hsl(238, 64%, 38%)
HSV	hsv(238, 78%, 62%)
CMYK	cmyk(77.8%, 74.7%, 0%, 38%)
CIE-LAB	lab(24.77, 39.86, -63.74)
CIE-LCH	lch(24.77, 75.18, 302.02°)
OKLab	oklab(36.83% 0.0037 -0.1845)
OKLCH	oklch(36.83% 0.185 271.1)
XYZ	xyz(7.6214, 4.3427, 32.7777)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23289E #9E9923

analogous

#23659E #23289E #5B239E

triadic

#23289E #9E2328 #289E23

tetradic

#23289E #9E2365 #9E9923 #239E5B

square

#23289E #9E2365 #9E9923 #239E5B

split-complementary

#23289E #9E5B23 #659E23

monochromatic

#0D0F3A #181B6C #23289E #2E35D0 #6065DC

Accessibility & contrast

On white

11.24

#23289E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#23289E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23289E

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23289E	#FFFFFF	#000000	##FFFFFF
##23289E	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23289e;
/* rgb */ color: rgb(35, 40, 158);
/* oklch */ color: oklch(36.8% 0.185 271.1);

Tailwind

colors: {
  custom: {
    50: '#7463bc',
    500: '#23289e',
    950: '#000000',
  },
}

SCSS

$custom: #23289e;
$custom-light: #7463bc;
$custom-dark: #000000;

JSON

{
  "hex": "#23289e",
  "rgb": {
    "r": 35,
    "g": 40,
    "b": 158
  },
  "hsl": {
    "h": 237.561,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36826,
    "c": 0.18459,
    "h": 271.1
  },
  "luminance": 0.04344
}

Semantic roles & 50–950 ramp

primary

#23289E

secondary

#C1BD5C

accent

#E041E7

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #23289E

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

Preview Lab → · Contrast checker → · Palette generator →