#237F8B#237F8B

#237F8B is a mid, moderate teal. Relative luminance 0.174; OKLCH L 55.0% C 0.084 H 207.8°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#237F8B
RGB	rgb(35, 127, 139)
HSL	hsl(187, 60%, 34%)
HSV	hsv(187, 75%, 55%)
CMYK	cmyk(74.8%, 8.6%, 0%, 45.5%)
CIE-LAB	lab(48.76, -21.91, -14.15)
CIE-LCH	lch(48.76, 26.08, 212.86°)
OKLab	oklab(54.98% -0.0745 -0.0393)
OKLCH	oklch(54.98% 0.084 207.8)
XYZ	xyz(12.9407, 17.3986, 27.0973)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237F8B #8B2F23

analogous

#238B63 #237F8B #234B8B

triadic

#237F8B #8B237F #7F8B23

tetradic

#237F8B #63238B #8B2F23 #4B8B23

square

#237F8B #63238B #8B2F23 #4B8B23

split-complementary

#237F8B #8B234B #8B6323

monochromatic

#0A2629 #17525A #237F8B #2FACBC #54C5D4

Accessibility & contrast

On white

4.69

#237F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#237F8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237F8B

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237F8B	#FFFFFF	#000000	##FFFFFF
##237F8B	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8C

Deuteranopia (green-blind)

#656F8B

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #237f8b;
/* rgb */ color: rgb(35, 127, 139);
/* oklch */ color: oklch(55.0% 0.084 207.8);

Tailwind

colors: {
  custom: {
    50: '#6fa4ac',
    500: '#237f8b',
    950: '#000000',
  },
}

SCSS

$custom: #237f8b;
$custom-light: #6fa4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#237f8b",
  "rgb": {
    "r": 35,
    "g": 127,
    "b": 139
  },
  "hsl": {
    "h": 186.923,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.54977,
    "c": 0.08422,
    "h": 207.8
  },
  "luminance": 0.174
}

Semantic roles & 50–950 ramp

primary

#237F8B

secondary

#B85E52

accent

#5745E3

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #237F8B

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

Preview Lab → · Contrast checker → · Palette generator →