#237B9A#237B9A

#237B9A is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.6% C 0.093 H 226.4°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#237B9A
RGB	rgb(35, 123, 154)
HSL	hsl(196, 63%, 37%)
HSV	hsv(196, 77%, 60%)
CMYK	cmyk(77.3%, 20.1%, 0%, 39.6%)
CIE-LAB	lab(48.08, -14.63, -24.00)
CIE-LCH	lch(48.08, 28.11, 238.64°)
OKLab	oklab(54.62% -0.0641 -0.0673)
OKLCH	oklch(54.62% 0.093 226.4)
XYZ	xyz(13.6064, 16.8547, 33.1018)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237B9A #9A4223

analogous

#239A7E #237B9A #23409A

triadic

#237B9A #9A237B #7B9A23

tetradic

#237B9A #7E239A #9A4223 #409A23

square

#237B9A #7E239A #9A4223 #409A23

split-complementary

#237B9A #9A2340 #9A7E23

monochromatic

#0C2B36 #185368 #237B9A #2EA3CC #5DBADA

Accessibility & contrast

On white

4.80

#237B9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#237B9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237B9A

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237B9A	#FFFFFF	#000000	##FFFFFF
##237B9A	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A799C

Deuteranopia (green-blind)

#5A6D9A

Tritanopia (blue-blind)

#008485

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237b9a;
/* rgb */ color: rgb(35, 123, 154);
/* oklch */ color: oklch(54.6% 0.093 226.4);

Tailwind

colors: {
  custom: {
    50: '#71a1b8',
    500: '#237b9a',
    950: '#000000',
  },
}

SCSS

$custom: #237b9a;
$custom-light: #71a1b8;
$custom-dark: #000000;

JSON

{
  "hex": "#237b9a",
  "rgb": {
    "r": 35,
    "g": 123,
    "b": 154
  },
  "hsl": {
    "h": 195.63,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.54624,
    "c": 0.09298,
    "h": 226.4
  },
  "luminance": 0.16856
}

Semantic roles & 50–950 ramp

primary

#237B9A

secondary

#BF745A

accent

#6D42E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #237B9A

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

Preview Lab → · Contrast checker → · Palette generator →