#237A9C#237A9C

#237A9C is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.5% C 0.095 H 229.0°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#237A9C
RGB	rgb(35, 122, 156)
HSL	hsl(197, 63%, 37%)
HSV	hsv(197, 78%, 61%)
CMYK	cmyk(77.6%, 21.8%, 0%, 38.8%)
CIE-LAB	lab(47.85, -13.36, -25.53)
CIE-LCH	lch(47.85, 28.82, 242.37°)
OKLab	oklab(54.47% -0.0623 -0.0717)
OKLCH	oklch(54.47% 0.095 229)
XYZ	xyz(13.6510, 16.6751, 33.9452)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237A9C #9C4523

analogous

#239C82 #237A9C #233D9C

triadic

#237A9C #9C237A #7A9C23

tetradic

#237A9C #82239C #9C4523 #3D9C23

square

#237A9C #82239C #9C4523 #3D9C23

split-complementary

#237A9C #9C233D #9C8223

monochromatic

#0D2C38 #18536A #237A9C #2EA1CE #5EB8DB

Accessibility & contrast

On white

4.84

#237A9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#237A9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237A9C

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237A9C	#FFFFFF	#000000	##FFFFFF
##237A9C	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68789E

Deuteranopia (green-blind)

#586C9C

Tritanopia (blue-blind)

#008485

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237a9c;
/* rgb */ color: rgb(35, 122, 156);
/* oklch */ color: oklch(54.5% 0.095 229.0);

Tailwind

colors: {
  custom: {
    50: '#71a0b9',
    500: '#237a9c',
    950: '#000000',
  },
}

SCSS

$custom: #237a9c;
$custom-light: #71a0b9;
$custom-dark: #000000;

JSON

{
  "hex": "#237a9c",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 156
  },
  "hsl": {
    "h": 196.86,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.54469,
    "c": 0.09504,
    "h": 229
  },
  "luminance": 0.16677
}

Semantic roles & 50–950 ramp

primary

#237A9C

secondary

#C0775B

accent

#7041E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #237A9C

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

Preview Lab → · Contrast checker → · Palette generator →