#23337D#23337D

#23337D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.127 H 269.6°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#23337D
RGB	rgb(35, 51, 125)
HSL	hsl(229, 56%, 31%)
HSV	hsv(229, 72%, 49%)
CMYK	cmyk(72%, 59.2%, 0%, 51%)
CIE-LAB	lab(24.34, 20.43, -43.98)
CIE-LCH	lch(24.34, 48.49, 294.91°)
OKLab	oklab(35.55% -0.0009 -0.1267)
OKLCH	oklch(35.55% 0.127 269.6)
XYZ	xyz(5.5774, 4.2051, 19.9158)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23337D #7D6D23

analogous

#23607D #23337D #40237D

triadic

#23337D #7D2333 #337D23

tetradic

#23337D #7D2360 #7D6D23 #237D40

square

#23337D #7D2360 #7D6D23 #237D40

split-complementary

#23337D #7D4023 #607D23

monochromatic

#080C1D #161F4D #23337D #3047AD #4D64CD

Accessibility & contrast

On white

11.41

#23337D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#23337D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23337D

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23337D	#FFFFFF	#000000	##FFFFFF
##23337D	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #23337d;
/* rgb */ color: rgb(35, 51, 125);
/* oklch */ color: oklch(35.6% 0.127 269.6);

Tailwind

colors: {
  custom: {
    50: '#6b6aa3',
    500: '#23337d',
    950: '#000000',
  },
}

SCSS

$custom: #23337d;
$custom-light: #6b6aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#23337d",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 125
  },
  "hsl": {
    "h": 229.333,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35554,
    "c": 0.1267,
    "h": 269.6
  },
  "luminance": 0.04206
}

Semantic roles & 50–950 ramp

primary

#23337D

secondary

#AF9E4C

accent

#C548E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23337D

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

Preview Lab → · Contrast checker → · Palette generator →