#237C9A#237C9A

#237C9A is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.9% C 0.093 H 225.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#237C9A
RGB	rgb(35, 124, 154)
HSL	hsl(195, 63%, 37%)
HSV	hsv(195, 77%, 60%)
CMYK	cmyk(77.3%, 19.5%, 0%, 39.6%)
CIE-LAB	lab(48.39, -15.19, -23.52)
CIE-LCH	lch(48.39, 28.00, 237.14°)
OKLab	oklab(54.88% -0.0651 -0.0659)
OKLCH	oklch(54.88% 0.093 225.4)
XYZ	xyz(13.7311, 17.1041, 33.1433)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237C9A #9A4123

analogous

#239A7D #237C9A #23419A

triadic

#237C9A #9A237C #7C9A23

tetradic

#237C9A #7D239A #9A4123 #419A23

square

#237C9A #7D239A #9A4123 #419A23

split-complementary

#237C9A #9A2341 #9A7D23

monochromatic

#0C2C36 #185468 #237C9A #2EA4CC #5DBBDA

Accessibility & contrast

On white

4.75

#237C9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#237C9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237C9A

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237C9A	#FFFFFF	#000000	##FFFFFF
##237C9A	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C799C

Deuteranopia (green-blind)

#5C6E9A

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237c9a;
/* rgb */ color: rgb(35, 124, 154);
/* oklch */ color: oklch(54.9% 0.093 225.4);

Tailwind

colors: {
  custom: {
    50: '#71a2b8',
    500: '#237c9a',
    950: '#000000',
  },
}

SCSS

$custom: #237c9a;
$custom-light: #71a2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#237c9a",
  "rgb": {
    "r": 35,
    "g": 124,
    "b": 154
  },
  "hsl": {
    "h": 195.126,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.54876,
    "c": 0.09268,
    "h": 225.4
  },
  "luminance": 0.17106
}

Semantic roles & 50–950 ramp

primary

#237C9A

secondary

#BF735A

accent

#6B42E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #237C9A

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

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