#233D53#233D53

#233D53 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.050 H 245.4°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#233D53
RGB	rgb(35, 61, 83)
HSL	hsl(208, 41%, 23%)
HSV	hsv(208, 58%, 33%)
CMYK	cmyk(57.8%, 26.5%, 0%, 67.5%)
CIE-LAB	lab(24.70, -2.64, -16.33)
CIE-LCH	lch(24.70, 16.54, 260.83°)
OKLab	oklab(34.96% -0.0209 -0.0457)
OKLCH	oklch(34.96% 0.05 245.4)
XYZ	xyz(3.9227, 4.3190, 8.8089)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D53 #533923

analogous

#235351 #233D53 #232553

triadic

#233D53 #53233D #3D5323

tetradic

#233D53 #512353 #533923 #255323

square

#233D53 #512353 #533923 #255323

split-complementary

#233D53 #532325 #535123

monochromatic

#091016 #111D28 #233D53 #355D7E #477CA9

Accessibility & contrast

On white

11.27

#233D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#233D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D53

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D53	#FFFFFF	#000000	##FFFFFF
##233D53	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343D54

Deuteranopia (green-blind)

#2D3853

Tritanopia (blue-blind)

#074244

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233d53;
/* rgb */ color: rgb(35, 61, 83);
/* oklch */ color: oklch(35.0% 0.050 245.4);

Tailwind

colors: {
  custom: {
    50: '#627283',
    500: '#233d53',
    950: '#000000',
  },
}

SCSS

$custom: #233d53;
$custom-light: #627283;
$custom-dark: #000000;

JSON

{
  "hex": "#233d53",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 83
  },
  "hsl": {
    "h": 207.5,
    "s": 40.678,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34956,
    "c": 0.05021,
    "h": 245.4
  },
  "luminance": 0.04319
}

Semantic roles & 50–950 ramp

primary

#233D53

secondary

#87664B

accent

#8F57D1

background

#F5F6F8

surface

#EAECEF

border

#C6C7CA

text

#05070A

muted

#797A7C

Preview Lab

Preview with #233D53

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

Preview Lab → · Contrast checker → · Palette generator →