#187E8F#187E8F

#187E8F is a mid, moderate teal. Relative luminance 0.171; OKLCH L 54.7% C 0.090 H 212.2°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#187E8F
RGB	rgb(24, 126, 143)
HSL	hsl(189, 71%, 33%)
HSV	hsv(189, 83%, 56%)
CMYK	cmyk(83.2%, 11.9%, 0%, 43.9%)
CIE-LAB	lab(48.38, -21.27, -17.09)
CIE-LCH	lch(48.38, 27.28, 218.78°)
OKLab	oklab(54.67% -0.0758 -0.0477)
OKLCH	oklch(54.67% 0.09 212.2)
XYZ	xyz(12.7933, 17.0975, 28.6071)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187E8F #8F2918

analogous

#188F64 #187E8F #18438F

triadic

#187E8F #8F187E #7E8F18

tetradic

#187E8F #64188F #8F2918 #438F18

square

#187E8F #64188F #8F2918 #438F18

split-complementary

#187E8F #8F1843 #8F6418

monochromatic

#062226 #0F505B #187E8F #21ACC3 #42C9DF

Accessibility & contrast

On white

4.75

#187E8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#187E8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187E8F

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187E8F	#FFFFFF	#000000	##FFFFFF
##187E8F	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717990

Deuteranopia (green-blind)

#616E8F

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #187e8f;
/* rgb */ color: rgb(24, 126, 143);
/* oklch */ color: oklch(54.7% 0.090 212.2);

Tailwind

colors: {
  custom: {
    50: '#6ca3af',
    500: '#187e8f',
    950: '#000000',
  },
}

SCSS

$custom: #187e8f;
$custom-light: #6ca3af;
$custom-dark: #000000;

JSON

{
  "hex": "#187e8f",
  "rgb": {
    "r": 24,
    "g": 126,
    "b": 143
  },
  "hsl": {
    "h": 188.571,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.54665,
    "c": 0.08955,
    "h": 212.2
  },
  "luminance": 0.17099
}

Semantic roles & 50–950 ramp

primary

#187E8F

secondary

#C05543

accent

#543AEE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #187E8F

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

Preview Lab → · Contrast checker → · Palette generator →