#237C8B#237C8B

#237C8B is a mid, moderate teal. Relative luminance 0.166; OKLCH L 54.2% C 0.084 H 211.4°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#237C8B
RGB	rgb(35, 124, 139)
HSL	hsl(189, 60%, 34%)
HSV	hsv(189, 75%, 55%)
CMYK	cmyk(74.8%, 10.8%, 0%, 45.5%)
CIE-LAB	lab(47.80, -20.32, -15.61)
CIE-LCH	lch(47.80, 25.62, 217.53°)
OKLab	oklab(54.2% -0.0713 -0.0434)
OKLCH	oklch(54.2% 0.084 211.4)
XYZ	xyz(12.5590, 16.6352, 26.9701)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237C8B #8B3223

analogous

#238B66 #237C8B #23488B

triadic

#237C8B #8B237C #7C8B23

tetradic

#237C8B #66238B #8B3223 #488B23

square

#237C8B #66238B #8B3223 #488B23

split-complementary

#237C8B #8B2348 #8B6623

monochromatic

#0A2529 #17505A #237C8B #2FA8BC #54C2D4

Accessibility & contrast

On white

4.85

#237C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#237C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237C8B

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237C8B	#FFFFFF	#000000	##FFFFFF
##237C8B	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70778C

Deuteranopia (green-blind)

#616D8B

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #237c8b;
/* rgb */ color: rgb(35, 124, 139);
/* oklch */ color: oklch(54.2% 0.084 211.4);

Tailwind

colors: {
  custom: {
    50: '#6fa2ac',
    500: '#237c8b',
    950: '#000000',
  },
}

SCSS

$custom: #237c8b;
$custom-light: #6fa2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#237c8b",
  "rgb": {
    "r": 35,
    "g": 124,
    "b": 139
  },
  "hsl": {
    "h": 188.654,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.54202,
    "c": 0.0835,
    "h": 211.4
  },
  "luminance": 0.16637
}

Semantic roles & 50–950 ramp

primary

#237C8B

secondary

#B86152

accent

#5C45E3

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #237C8B

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

Preview Lab → · Contrast checker → · Palette generator →