#233166#233166

#233166 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.095 H 269.5°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#233166
RGB	rgb(35, 49, 102)
HSL	hsl(227, 49%, 27%)
HSV	hsv(227, 66%, 40%)
CMYK	cmyk(65.7%, 52%, 0%, 60%)
CIE-LAB	lab(21.99, 12.86, -33.04)
CIE-LCH	lch(21.99, 35.46, 291.26°)
OKLab	oklab(33.22% -0.0007 -0.0946)
OKLCH	oklch(33.22% 0.095 269.5)
XYZ	xyz(4.1889, 3.5129, 13.0251)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233166 #665823

analogous

#235366 #233166 #372366

triadic

#233166 #662331 #316623

tetradic

#233166 #662353 #665823 #236637

square

#233166 #662353 #665823 #236637

split-complementary

#233166 #663723 #536623

monochromatic

#080B17 #131B38 #233166 #334794 #445EBF

Accessibility & contrast

On white

12.33

#233166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#233166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233166

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233166	#FFFFFF	#000000	##FFFFFF
##233166	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153868

Deuteranopia (green-blind)

#083265

Tritanopia (blue-blind)

#003D46

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #233166;
/* rgb */ color: rgb(35, 49, 102);
/* oklch */ color: oklch(33.2% 0.095 269.5);

Tailwind

colors: {
  custom: {
    50: '#656892',
    500: '#233166',
    950: '#000000',
  },
}

SCSS

$custom: #233166;
$custom-light: #656892;
$custom-dark: #000000;

JSON

{
  "hex": "#233166",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 227.463,
    "s": 48.905,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33224,
    "c": 0.09456,
    "h": 269.5
  },
  "luminance": 0.03513
}

Semantic roles & 50–950 ramp

primary

#233166

secondary

#9A894B

accent

#BC4FD8

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #233166

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

Preview Lab → · Contrast checker → · Palette generator →