#237C9C#237C9C

#237C9C is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.094 H 227.0°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#237C9C
RGB	rgb(35, 124, 156)
HSL	hsl(196, 63%, 37%)
HSV	hsv(196, 78%, 61%)
CMYK	cmyk(77.6%, 20.5%, 0%, 38.8%)
CIE-LAB	lab(48.48, -14.49, -24.56)
CIE-LCH	lch(48.48, 28.51, 239.46°)
OKLab	oklab(54.97% -0.0643 -0.0689)
OKLCH	oklch(54.97% 0.094 227)
XYZ	xyz(13.8991, 17.1713, 34.0279)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237C9C #9C4323

analogous

#239C80 #237C9C #233F9C

triadic

#237C9C #9C237C #7C9C23

tetradic

#237C9C #80239C #9C4323 #3F9C23

square

#237C9C #80239C #9C4323 #3F9C23

split-complementary

#237C9C #9C233F #9C8023

monochromatic

#0D2D38 #18546A #237C9C #2EA4CE #5EBADB

Accessibility & contrast

On white

4.74

#237C9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#237C9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237C9C

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237C9C	#FFFFFF	#000000	##FFFFFF
##237C9C	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7A9E

Deuteranopia (green-blind)

#5B6E9C

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237c9c;
/* rgb */ color: rgb(35, 124, 156);
/* oklch */ color: oklch(55.0% 0.094 227.0);

Tailwind

colors: {
  custom: {
    50: '#71a2b9',
    500: '#237c9c',
    950: '#000000',
  },
}

SCSS

$custom: #237c9c;
$custom-light: #71a2b9;
$custom-dark: #000000;

JSON

{
  "hex": "#237c9c",
  "rgb": {
    "r": 35,
    "g": 124,
    "b": 156
  },
  "hsl": {
    "h": 195.868,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.54971,
    "c": 0.09429,
    "h": 227
  },
  "luminance": 0.17173
}

Semantic roles & 50–950 ramp

primary

#237C9C

secondary

#C0765B

accent

#6D41E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #237C9C

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

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