#237E9C#237E9C

#237E9C is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.5% C 0.094 H 224.9°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#237E9C
RGB	rgb(35, 126, 156)
HSL	hsl(195, 63%, 37%)
HSV	hsv(195, 78%, 61%)
CMYK	cmyk(77.6%, 19.2%, 0%, 38.8%)
CIE-LAB	lab(49.10, -15.60, -23.59)
CIE-LCH	lch(49.10, 28.28, 236.52°)
OKLab	oklab(55.47% -0.0663 -0.0661)
OKLCH	oklch(55.47% 0.094 224.9)
XYZ	xyz(14.1523, 17.6776, 34.1123)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237E9C #9C4123

analogous

#239C7E #237E9C #23419C

triadic

#237E9C #9C237E #7E9C23

tetradic

#237E9C #7E239C #9C4123 #419C23

square

#237E9C #7E239C #9C4123 #419C23

split-complementary

#237E9C #9C2341 #9C7E23

monochromatic

#0D2D38 #18566A #237E9C #2EA6CE #5EBCDB

Accessibility & contrast

On white

4.63

#237E9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#237E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237E9C

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237E9C	#FFFFFF	#000000	##FFFFFF
##237E9C	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9E

Deuteranopia (green-blind)

#5D709C

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #237e9c;
/* rgb */ color: rgb(35, 126, 156);
/* oklch */ color: oklch(55.5% 0.094 224.9);

Tailwind

colors: {
  custom: {
    50: '#71a3b9',
    500: '#237e9c',
    950: '#000000',
  },
}

SCSS

$custom: #237e9c;
$custom-light: #71a3b9;
$custom-dark: #000000;

JSON

{
  "hex": "#237e9c",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 156
  },
  "hsl": {
    "h": 194.876,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55474,
    "c": 0.09368,
    "h": 224.9
  },
  "luminance": 0.17679
}

Semantic roles & 50–950 ramp

primary

#237E9C

secondary

#C0745B

accent

#6A41E6

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237E9C

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

Preview Lab → · Contrast checker → · Palette generator →