#233C50#233C50

#233C50 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.047 H 243.9°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#233C50
RGB	rgb(35, 60, 80)
HSL	hsl(207, 39%, 23%)
HSV	hsv(207, 56%, 31%)
CMYK	cmyk(56.3%, 25%, 0%, 68.6%)
CIE-LAB	lab(24.22, -3.04, -15.10)
CIE-LCH	lch(24.22, 15.40, 258.60°)
OKLab	oklab(34.53% -0.0207 -0.0421)
OKLCH	oklch(34.53% 0.047 243.9)
XYZ	xyz(3.7564, 4.1679, 8.1944)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C50 #503723

analogous

#23504D #233C50 #232550

triadic

#233C50 #50233C #3C5023

tetradic

#233C50 #4D2350 #503723 #255023

square

#233C50 #4D2350 #503723 #255023

split-complementary

#233C50 #502325 #504D23

monochromatic

#091015 #101C25 #233C50 #365C7B #487CA5

Accessibility & contrast

On white

11.45

#233C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#233C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C50

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C50	#FFFFFF	#000000	##FFFFFF
##233C50	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333C51

Deuteranopia (green-blind)

#2D3850

Tritanopia (blue-blind)

#0B4143

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #233c50;
/* rgb */ color: rgb(35, 60, 80);
/* oklch */ color: oklch(34.5% 0.047 243.9);

Tailwind

colors: {
  custom: {
    50: '#617181',
    500: '#233c50',
    950: '#000000',
  },
}

SCSS

$custom: #233c50;
$custom-light: #617181;
$custom-dark: #000000;

JSON

{
  "hex": "#233c50",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 80
  },
  "hsl": {
    "h": 206.667,
    "s": 39.13,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34529,
    "c": 0.04694,
    "h": 243.9
  },
  "luminance": 0.04168
}

Semantic roles & 50–950 ramp

primary

#233C50

secondary

#84644B

accent

#8D59CF

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #233C50

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

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