#237F9C#237F9C

#237F9C is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.7% C 0.093 H 223.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#237F9C
RGB	rgb(35, 127, 156)
HSL	hsl(194, 63%, 37%)
HSV	hsv(194, 78%, 61%)
CMYK	cmyk(77.6%, 18.6%, 0%, 38.8%)
CIE-LAB	lab(49.42, -16.16, -23.11)
CIE-LCH	lch(49.42, 28.19, 235.04°)
OKLab	oklab(55.73% -0.0673 -0.0647)
OKLCH	oklch(55.73% 0.093 223.9)
XYZ	xyz(14.2808, 17.9346, 34.1551)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237F9C #9C4023

analogous

#239C7C #237F9C #23439C

triadic

#237F9C #9C237F #7F9C23

tetradic

#237F9C #7C239C #9C4023 #439C23

square

#237F9C #7C239C #9C4023 #439C23

split-complementary

#237F9C #9C2343 #9C7C23

monochromatic

#0D2E38 #18566A #237F9C #2EA8CE #5EBDDB

Accessibility & contrast

On white

4.58

#237F9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#237F9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #237F9C

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237F9C	#FFFFFF	#000000	##000000
##237F9C	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9D

Deuteranopia (green-blind)

#5E709C

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #237f9c;
/* rgb */ color: rgb(35, 127, 156);
/* oklch */ color: oklch(55.7% 0.093 223.9);

Tailwind

colors: {
  custom: {
    50: '#71a4b9',
    500: '#237f9c',
    950: '#000000',
  },
}

SCSS

$custom: #237f9c;
$custom-light: #71a4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#237f9c",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 156
  },
  "hsl": {
    "h": 194.38,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55725,
    "c": 0.09343,
    "h": 223.9
  },
  "luminance": 0.17936
}

Semantic roles & 50–950 ramp

primary

#237F9C

secondary

#C0735B

accent

#6941E6

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237F9C

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

Preview Lab → · Contrast checker → · Palette generator →