#23337E#23337E

#23337E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.128 H 269.6°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#23337E
RGB	rgb(35, 51, 126)
HSL	hsl(229, 57%, 32%)
HSV	hsv(229, 72%, 49%)
CMYK	cmyk(72.2%, 59.5%, 0%, 50.6%)
CIE-LAB	lab(24.42, 20.82, -44.48)
CIE-LCH	lch(24.42, 49.11, 295.08°)
OKLab	oklab(35.64% -0.0009 -0.1282)
OKLCH	oklch(35.64% 0.128 269.6)
XYZ	xyz(5.6416, 4.2308, 20.2539)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23337E #7E6E23

analogous

#23617E #23337E #41237E

triadic

#23337E #7E2333 #337E23

tetradic

#23337E #7E2361 #7E6E23 #237E41

square

#23337E #7E2361 #7E6E23 #237E41

split-complementary

#23337E #7E4123 #617E23

monochromatic

#080C1E #16204E #23337E #3046AE #4E64CE

Accessibility & contrast

On white

11.37

#23337E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#23337E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23337E

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23337E	#FFFFFF	#000000	##FFFFFF
##23337E	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23337e;
/* rgb */ color: rgb(35, 51, 126);
/* oklch */ color: oklch(35.6% 0.128 269.6);

Tailwind

colors: {
  custom: {
    50: '#6b6aa4',
    500: '#23337e',
    950: '#000000',
  },
}

SCSS

$custom: #23337e;
$custom-light: #6b6aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#23337e",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 126
  },
  "hsl": {
    "h": 229.451,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35641,
    "c": 0.12816,
    "h": 269.6
  },
  "luminance": 0.04231
}

Semantic roles & 50–950 ramp

primary

#23337E

secondary

#B09F4C

accent

#C548E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23337E

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

Preview Lab → · Contrast checker → · Palette generator →