#1B858B#1B858B

#1B858B is a mid, moderate teal. Relative luminance 0.189; OKLCH L 56.4% C 0.090 H 200.9°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B858B
RGB	rgb(27, 133, 139)
HSL	hsl(183, 67%, 33%)
HSV	hsv(183, 81%, 55%)
CMYK	cmyk(80.6%, 4.3%, 0%, 45.5%)
CIE-LAB	lab(50.54, -25.93, -11.48)
CIE-LCH	lch(50.54, 28.36, 203.88°)
OKLab	oklab(56.37% -0.0837 -0.0319)
OKLCH	oklch(56.37% 0.09 200.9)
XYZ	xyz(13.4976, 18.8705, 27.3521)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B858B #8B211B

analogous

#1B8B59 #1B858B #1B4D8B

triadic

#1B858B #8B1B85 #858B1B

tetradic

#1B858B #591B8B #8B211B #4D8B1B

square

#1B858B #591B8B #8B211B #4D8B1B

split-complementary

#1B858B #8B1B4D #8B591B

monochromatic

#072325 #115458 #1B858B #25B6BE #45D3DB

Accessibility & contrast

On white

4.40

#1B858B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#1B858B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B858B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B858B	#FFFFFF	#000000	##000000
##1B858B	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7F8C

Deuteranopia (green-blind)

#6B748B

Tritanopia (blue-blind)

#008A87

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b858b;
/* rgb */ color: rgb(27, 133, 139);
/* oklch */ color: oklch(56.4% 0.090 200.9);

Tailwind

colors: {
  custom: {
    50: '#6ea9ac',
    500: '#1b858b',
    950: '#000000',
  },
}

SCSS

$custom: #1b858b;
$custom-light: #6ea9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b858b",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 139
  },
  "hsl": {
    "h": 183.214,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56372,
    "c": 0.08959,
    "h": 200.9
  },
  "luminance": 0.18872
}

Semantic roles & 50–950 ramp

primary

#1B858B

secondary

#BC4C45

accent

#473DEA

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #1B858B

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

Preview Lab → · Contrast checker → · Palette generator →