#23409B#23409B

#23409B is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.153 H 266.2°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#23409B
RGB	rgb(35, 64, 155)
HSL	hsl(226, 63%, 37%)
HSV	hsv(226, 77%, 61%)
CMYK	cmyk(77.4%, 58.7%, 0%, 39.2%)
CIE-LAB	lab(30.38, 23.18, -52.73)
CIE-LCH	lch(30.38, 57.60, 293.73°)
OKLab	oklab(40.84% -0.0101 -0.1522)
OKLCH	oklch(40.84% 0.153 266.2)
XYZ	xyz(8.4409, 6.3897, 31.7925)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23409B #9B7E23

analogous

#237C9B #23409B #42239B

triadic

#23409B #9B2340 #409B23

tetradic

#23409B #9B237C #9B7E23 #239B42

square

#23409B #9B237C #9B7E23 #239B42

split-complementary

#23409B #9B4223 #7C9B23

monochromatic

#0C1737 #182B69 #23409B #2E55CD #5E7CDB

Accessibility & contrast

On white

9.22

#23409B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#23409B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23409B

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23409B	#FFFFFF	#000000	##FFFFFF
##23409B	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9E

Deuteranopia (green-blind)

#004299

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #23409b;
/* rgb */ color: rgb(35, 64, 155);
/* oklch */ color: oklch(40.8% 0.153 266.2);

Tailwind

colors: {
  custom: {
    50: '#7174b9',
    500: '#23409b',
    950: '#000000',
  },
}

SCSS

$custom: #23409b;
$custom-light: #7174b9;
$custom-dark: #000000;

JSON

{
  "hex": "#23409b",
  "rgb": {
    "r": 35,
    "g": 64,
    "b": 155
  },
  "hsl": {
    "h": 225.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40841,
    "c": 0.15255,
    "h": 266.2
  },
  "luminance": 0.06391
}

Semantic roles & 50–950 ramp

primary

#23409B

secondary

#BFA75A

accent

#BE42E6

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #23409B

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

Preview Lab → · Contrast checker → · Palette generator →