#233A50#233A50

#233A50 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.049 H 248.4°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#233A50
RGB	rgb(35, 58, 80)
HSL	hsl(209, 39%, 23%)
HSV	hsv(209, 56%, 31%)
CMYK	cmyk(56.3%, 27.5%, 0%, 68.6%)
CIE-LAB	lab(23.55, -1.71, -16.14)
CIE-LCH	lch(23.55, 16.23, 263.94°)
OKLab	oklab(34% -0.0179 -0.0451)
OKLCH	oklch(34% 0.049 248.4)
XYZ	xyz(3.6537, 3.9623, 8.1601)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A50 #503923

analogous

#23504F #233A50 #232450

triadic

#233A50 #50233A #3A5023

tetradic

#233A50 #4F2350 #503923 #245023

square

#233A50 #4F2350 #503923 #245023

split-complementary

#233A50 #502324 #504F23

monochromatic

#090F15 #101B25 #233A50 #36597B #4878A5

Accessibility & contrast

On white

11.71

#233A50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#233A50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A50

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A50	#FFFFFF	#000000	##FFFFFF
##233A50	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313B51

Deuteranopia (green-blind)

#2B3650

Tritanopia (blue-blind)

#0C3F42

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #233a50;
/* rgb */ color: rgb(35, 58, 80);
/* oklch */ color: oklch(34.0% 0.049 248.4);

Tailwind

colors: {
  custom: {
    50: '#617081',
    500: '#233a50',
    950: '#000000',
  },
}

SCSS

$custom: #233a50;
$custom-light: #617081;
$custom-dark: #000000;

JSON

{
  "hex": "#233a50",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 80
  },
  "hsl": {
    "h": 209.333,
    "s": 39.13,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33999,
    "c": 0.04855,
    "h": 248.4
  },
  "luminance": 0.03963
}

Semantic roles & 50–950 ramp

primary

#233A50

secondary

#84674B

accent

#9359CF

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #233A50

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

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