#233B54#233B54

#233B54 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.053 H 250.5°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#233B54
RGB	rgb(35, 59, 84)
HSL	hsl(211, 41%, 23%)
HSV	hsv(211, 58%, 33%)
CMYK	cmyk(58.3%, 29.8%, 0%, 67.1%)
CIE-LAB	lab(24.08, -0.94, -17.95)
CIE-LCH	lch(24.08, 17.97, 266.99°)
OKLab	oklab(34.49% -0.0178 -0.0503)
OKLCH	oklch(34.49% 0.053 250.5)
XYZ	xyz(3.8568, 4.1250, 8.9788)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B54 #543C23

analogous

#235354 #233B54 #232354

triadic

#233B54 #54233B #3B5423

tetradic

#233B54 #542353 #543C23 #235423

square

#233B54 #542353 #543C23 #235423

split-complementary

#233B54 #542323 #535423

monochromatic

#090F16 #111D29 #233B54 #35597F #4778AA

Accessibility & contrast

On white

11.51

#233B54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#233B54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B54

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B54	#FFFFFF	#000000	##FFFFFF
##233B54	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313C55

Deuteranopia (green-blind)

#2A3754

Tritanopia (blue-blind)

#064144

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #233b54;
/* rgb */ color: rgb(35, 59, 84);
/* oklch */ color: oklch(34.5% 0.053 250.5);

Tailwind

colors: {
  custom: {
    50: '#627084',
    500: '#233b54',
    950: '#000000',
  },
}

SCSS

$custom: #233b54;
$custom-light: #627084;
$custom-dark: #000000;

JSON

{
  "hex": "#233b54",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 84
  },
  "hsl": {
    "h": 210.612,
    "s": 41.176,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34485,
    "c": 0.05339,
    "h": 250.5
  },
  "luminance": 0.04125
}

Semantic roles & 50–950 ramp

primary

#233B54

secondary

#886A4B

accent

#9557D1

background

#F5F6F8

surface

#EAECEF

border

#C6C7CA

text

#05070B

muted

#797A7C

Preview Lab

Preview with #233B54

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

Preview Lab → · Contrast checker → · Palette generator →