#237D9C#237D9C

#237D9C is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.094 H 225.9°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#237D9C
RGB	rgb(35, 125, 156)
HSL	hsl(195, 63%, 37%)
HSV	hsv(195, 78%, 61%)
CMYK	cmyk(77.6%, 19.9%, 0%, 38.8%)
CIE-LAB	lab(48.79, -15.05, -24.07)
CIE-LCH	lch(48.79, 28.39, 237.99°)
OKLab	oklab(55.22% -0.0653 -0.0675)
OKLCH	oklch(55.22% 0.094 225.9)
XYZ	xyz(14.0250, 17.4232, 34.0699)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237D9C #9C4223

analogous

#239C7F #237D9C #23409C

triadic

#237D9C #9C237D #7D9C23

tetradic

#237D9C #7F239C #9C4223 #409C23

square

#237D9C #7F239C #9C4223 #409C23

split-complementary

#237D9C #9C2340 #9C7F23

monochromatic

#0D2D38 #18556A #237D9C #2EA5CE #5EBBDB

Accessibility & contrast

On white

4.68

#237D9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#237D9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237D9C

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237D9C	#FFFFFF	#000000	##FFFFFF
##237D9C	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9E

Deuteranopia (green-blind)

#5C6F9C

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #237d9c;
/* rgb */ color: rgb(35, 125, 156);
/* oklch */ color: oklch(55.2% 0.094 225.9);

Tailwind

colors: {
  custom: {
    50: '#71a2b9',
    500: '#237d9c',
    950: '#000000',
  },
}

SCSS

$custom: #237d9c;
$custom-light: #71a2b9;
$custom-dark: #000000;

JSON

{
  "hex": "#237d9c",
  "rgb": {
    "r": 35,
    "g": 125,
    "b": 156
  },
  "hsl": {
    "h": 195.372,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55222,
    "c": 0.09397,
    "h": 225.9
  },
  "luminance": 0.17425
}

Semantic roles & 50–950 ramp

primary

#237D9C

secondary

#C0755B

accent

#6C41E6

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237D9C

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

Preview Lab → · Contrast checker → · Palette generator →