#233558#233558

#233558 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.2% C 0.067 H 262.7°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#233558
RGB	rgb(35, 53, 88)
HSL	hsl(220, 43%, 24%)
HSV	hsv(220, 60%, 35%)
CMYK	cmyk(60.2%, 39.8%, 0%, 65.5%)
CIE-LAB	lab(22.33, 4.65, -23.33)
CIE-LCH	lch(22.33, 23.79, 281.28°)
OKLab	oklab(33.19% -0.0085 -0.066)
OKLCH	oklch(33.19% 0.067 262.7)
XYZ	xyz(3.7271, 3.6078, 9.7306)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233558 #584623

analogous

#235058 #233558 #2C2358

triadic

#233558 #582335 #355823

tetradic

#233558 #582350 #584623 #23582C

square

#233558 #582350 #584623 #23582C

split-complementary

#233558 #582C23 #505823

monochromatic

#090D16 #121B2C #233558 #344F84 #466AB0

Accessibility & contrast

On white

12.20

#233558 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#233558 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233558

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233558	#FFFFFF	#000000	##FFFFFF
##233558	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273859

Deuteranopia (green-blind)

#203357

Tritanopia (blue-blind)

#033D42

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #233558;
/* rgb */ color: rgb(35, 53, 88);
/* oklch */ color: oklch(33.2% 0.067 262.7);

Tailwind

colors: {
  custom: {
    50: '#636b87',
    500: '#233558',
    950: '#000000',
  },
}

SCSS

$custom: #233558;
$custom-light: #636b87;
$custom-dark: #000000;

JSON

{
  "hex": "#233558",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 88
  },
  "hsl": {
    "h": 219.623,
    "s": 43.089,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3319,
    "c": 0.06656,
    "h": 262.7
  },
  "luminance": 0.03608
}

Semantic roles & 50–950 ramp

primary

#233558

secondary

#8C764B

accent

#A855D3

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#05060B

muted

#7A7A7C

Preview Lab

Preview with #233558

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

Preview Lab → · Contrast checker → · Palette generator →