#23337C#23337C

#23337C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.125 H 269.6°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#23337C
RGB	rgb(35, 51, 124)
HSL	hsl(229, 56%, 31%)
HSV	hsv(229, 72%, 49%)
CMYK	cmyk(71.8%, 58.9%, 0%, 51.4%)
CIE-LAB	lab(24.26, 20.04, -43.48)
CIE-LCH	lch(24.26, 47.88, 294.74°)
OKLab	oklab(35.47% -0.001 -0.1252)
OKLCH	oklch(35.47% 0.125 269.6)
XYZ	xyz(5.5138, 4.1797, 19.5811)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23337C #7C6C23

analogous

#235F7C #23337C #3F237C

triadic

#23337C #7C2333 #337C23

tetradic

#23337C #7C235F #7C6C23 #237C3F

square

#23337C #7C235F #7C6C23 #237C3F

split-complementary

#23337C #7C3F23 #5F7C23

monochromatic

#080C1D #161F4C #23337C #3047AC #4D64CD

Accessibility & contrast

On white

11.44

#23337C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#23337C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23337C

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23337C	#FFFFFF	#000000	##FFFFFF
##23337C	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7E

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23337c;
/* rgb */ color: rgb(35, 51, 124);
/* oklch */ color: oklch(35.5% 0.125 269.6);

Tailwind

colors: {
  custom: {
    50: '#6a6aa3',
    500: '#23337c',
    950: '#000000',
  },
}

SCSS

$custom: #23337c;
$custom-light: #6a6aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#23337c",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 124
  },
  "hsl": {
    "h": 229.213,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35468,
    "c": 0.12523,
    "h": 269.6
  },
  "luminance": 0.0418
}

Semantic roles & 50–950 ramp

primary

#23337C

secondary

#AF9D4C

accent

#C449DF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23337C

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

Preview Lab → · Contrast checker → · Palette generator →