#237C99#237C99

#237C99 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.8% C 0.092 H 224.5°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#237C99
RGB	rgb(35, 124, 153)
HSL	hsl(195, 63%, 37%)
HSV	hsv(195, 77%, 60%)
CMYK	cmyk(77.1%, 19%, 0%, 40%)
CIE-LAB	lab(48.35, -15.54, -23.00)
CIE-LCH	lch(48.35, 27.75, 235.95°)
OKLab	oklab(54.83% -0.0655 -0.0644)
OKLCH	oklch(54.83% 0.092 224.5)
XYZ	xyz(13.6482, 17.0709, 32.7065)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237C99 #994023

analogous

#23997B #237C99 #234199

triadic

#237C99 #99237C #7C9923

tetradic

#237C99 #7B2399 #994023 #419923

square

#237C99 #7B2399 #994023 #419923

split-complementary

#237C99 #992341 #997B23

monochromatic

#0C2B35 #185467 #237C99 #2EA4CB #5DBBDA

Accessibility & contrast

On white

4.76

#237C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#237C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237C99

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237C99	#FFFFFF	#000000	##FFFFFF
##237C99	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C799A

Deuteranopia (green-blind)

#5C6E99

Tritanopia (blue-blind)

#008585

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237c99;
/* rgb */ color: rgb(35, 124, 153);
/* oklch */ color: oklch(54.8% 0.092 224.5);

Tailwind

colors: {
  custom: {
    50: '#71a2b7',
    500: '#237c99',
    950: '#000000',
  },
}

SCSS

$custom: #237c99;
$custom-light: #71a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#237c99",
  "rgb": {
    "r": 35,
    "g": 124,
    "b": 153
  },
  "hsl": {
    "h": 194.746,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54828,
    "c": 0.09189,
    "h": 224.5
  },
  "luminance": 0.17073
}

Semantic roles & 50–950 ramp

primary

#237C99

secondary

#BE7259

accent

#6A42E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #237C99

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

Preview Lab → · Contrast checker → · Palette generator →