#1B838F#1B838F

#1B838F is a mid, moderate teal. Relative luminance 0.184; OKLCH L 56.0% C 0.090 H 206.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#1B838F
RGB	rgb(27, 131, 143)
HSL	hsl(186, 68%, 33%)
HSV	hsv(186, 81%, 56%)
CMYK	cmyk(81.1%, 8.4%, 0%, 43.9%)
CIE-LAB	lab(50.03, -23.60, -14.57)
CIE-LCH	lch(50.03, 27.74, 211.70°)
OKLab	oklab(56.01% -0.0799 -0.0406)
OKLCH	oklch(56.01% 0.09 206.9)
XYZ	xyz(13.5240, 18.4471, 28.8291)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B838F #8F271B

analogous

#1B8F61 #1B838F #1B498F

triadic

#1B838F #8F1B83 #838F1B

tetradic

#1B838F #611B8F #8F271B #498F1B

square

#1B838F #611B8F #8F271B #498F1B

split-complementary

#1B838F #8F1B49 #8F611B

monochromatic

#082528 #11545C #1B838F #25B2C2 #48CDDC

Accessibility & contrast

On white

4.48

#1B838F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#1B838F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B838F

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B838F	#FFFFFF	#000000	##000000
##1B838F	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777E90

Deuteranopia (green-blind)

#67728F

Tritanopia (blue-blind)

#008987

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1b838f;
/* rgb */ color: rgb(27, 131, 143);
/* oklch */ color: oklch(56.0% 0.090 206.9);

Tailwind

colors: {
  custom: {
    50: '#6ea7af',
    500: '#1b838f',
    950: '#000000',
  },
}

SCSS

$custom: #1b838f;
$custom-light: #6ea7af;
$custom-dark: #000000;

JSON

{
  "hex": "#1b838f",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 143
  },
  "hsl": {
    "h": 186.207,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.56013,
    "c": 0.08959,
    "h": 206.9
  },
  "luminance": 0.18449
}

Semantic roles & 50–950 ramp

primary

#1B838F

secondary

#BE5448

accent

#4F3DEB

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #1B838F

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

Preview Lab → · Contrast checker → · Palette generator →