#237E9E#237E9E

#237E9E is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.095 H 226.5°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#237E9E
RGB	rgb(35, 126, 158)
HSL	hsl(196, 64%, 38%)
HSV	hsv(196, 78%, 62%)
CMYK	cmyk(77.8%, 20.3%, 0%, 38%)
CIE-LAB	lab(49.19, -14.90, -24.63)
CIE-LCH	lch(49.19, 28.79, 238.82°)
OKLab	oklab(55.57% -0.0656 -0.0691)
OKLCH	oklch(55.57% 0.095 226.5)
XYZ	xyz(14.3230, 17.7459, 35.0115)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237E9E #9E4323

analogous

#239E81 #237E9E #23409E

triadic

#237E9E #9E237E #7E9E23

tetradic

#237E9E #81239E #9E4323 #409E23

square

#237E9E #81239E #9E4323 #409E23

split-complementary

#237E9E #9E2340 #9E8123

monochromatic

#0D2E3A #18566C #237E9E #2EA6D0 #60BBDC

Accessibility & contrast

On white

4.62

#237E9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#237E9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237E9E

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237E9E	#FFFFFF	#000000	##FFFFFF
##237E9E	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7CA0

Deuteranopia (green-blind)

#5C709E

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #237e9e;
/* rgb */ color: rgb(35, 126, 158);
/* oklch */ color: oklch(55.6% 0.095 226.5);

Tailwind

colors: {
  custom: {
    50: '#72a3ba',
    500: '#237e9e',
    950: '#000000',
  },
}

SCSS

$custom: #237e9e;
$custom-light: #72a3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#237e9e",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 158
  },
  "hsl": {
    "h": 195.61,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.55568,
    "c": 0.09527,
    "h": 226.5
  },
  "luminance": 0.17748
}

Semantic roles & 50–950 ramp

primary

#237E9E

secondary

#C1765C

accent

#6C41E7

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237E9E

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

Preview Lab → · Contrast checker → · Palette generator →