#23289F#23289F

#23289F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.9% C 0.186 H 271.1°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#23289F
RGB	rgb(35, 40, 159)
HSL	hsl(238, 64%, 38%)
HSV	hsv(238, 78%, 62%)
CMYK	cmyk(78%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(24.88, 40.21, -64.17)
CIE-LCH	lch(24.88, 75.73, 302.07°)
OKLab	oklab(36.94% 0.0035 -0.1858)
OKLCH	oklch(36.94% 0.186 271.1)
XYZ	xyz(7.7078, 4.3773, 33.2328)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23289F #9F9A23

analogous

#23669F #23289F #5C239F

triadic

#23289F #9F2328 #289F23

tetradic

#23289F #9F2366 #9F9A23 #239F5C

square

#23289F #9F2366 #9F9A23 #239F5C

split-complementary

#23289F #9F5C23 #669F23

monochromatic

#0D0F3B #181B6D #23289F #2E35D1 #6065DC

Accessibility & contrast

On white

11.20

#23289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#23289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23289F

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23289F	#FFFFFF	#000000	##FFFFFF
##23289F	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A2

Deuteranopia (green-blind)

#00359D

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23289f;
/* rgb */ color: rgb(35, 40, 159);
/* oklch */ color: oklch(36.9% 0.186 271.1);

Tailwind

colors: {
  custom: {
    50: '#7463bd',
    500: '#23289f',
    950: '#000000',
  },
}

SCSS

$custom: #23289f;
$custom-light: #7463bd;
$custom-dark: #000000;

JSON

{
  "hex": "#23289f",
  "rgb": {
    "r": 35,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 237.581,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36935,
    "c": 0.18584,
    "h": 271.1
  },
  "luminance": 0.04378
}

Semantic roles & 50–950 ramp

primary

#23289F

secondary

#C1BD5D

accent

#E041E7

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #23289F

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

Preview Lab → · Contrast checker → · Palette generator →