#233E53#233E53

#233E53 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.049 H 243.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#233E53
RGB	rgb(35, 62, 83)
HSL	hsl(206, 41%, 23%)
HSV	hsv(206, 58%, 33%)
CMYK	cmyk(57.8%, 25.3%, 0%, 67.5%)
CIE-LAB	lab(25.04, -3.30, -15.81)
CIE-LCH	lch(25.04, 16.15, 258.21°)
OKLab	oklab(35.22% -0.0222 -0.0442)
OKLCH	oklch(35.22% 0.049 243.3)
XYZ	xyz(3.9765, 4.4268, 8.8268)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E53 #533823

analogous

#235350 #233E53 #232653

triadic

#233E53 #53233E #3E5323

tetradic

#233E53 #502353 #533823 #265323

square

#233E53 #502353 #533823 #265323

split-complementary

#233E53 #532326 #535023

monochromatic

#091016 #111E28 #233E53 #355E7E #477EA9

Accessibility & contrast

On white

11.14

#233E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#233E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E53

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E53	#FFFFFF	#000000	##FFFFFF
##233E53	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#2F3953

Tritanopia (blue-blind)

#064345

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233e53;
/* rgb */ color: rgb(35, 62, 83);
/* oklch */ color: oklch(35.2% 0.049 243.3);

Tailwind

colors: {
  custom: {
    50: '#627383',
    500: '#233e53',
    950: '#000000',
  },
}

SCSS

$custom: #233e53;
$custom-light: #627383;
$custom-dark: #000000;

JSON

{
  "hex": "#233e53",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 83
  },
  "hsl": {
    "h": 206.25,
    "s": 40.678,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35221,
    "c": 0.04945,
    "h": 243.3
  },
  "luminance": 0.04427
}

Semantic roles & 50–950 ramp

primary

#233E53

secondary

#87654B

accent

#8C57D1

background

#F5F6F8

surface

#EAECEF

border

#C6C7CA

text

#05080A

muted

#797B7C

Preview Lab

Preview with #233E53

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

Preview Lab → · Contrast checker → · Palette generator →