#1B858C#1B858C

#1B858C is a mid, moderate teal. Relative luminance 0.189; OKLCH L 56.4% C 0.090 H 201.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B858C
RGB	rgb(27, 133, 140)
HSL	hsl(184, 68%, 33%)
HSV	hsv(184, 81%, 55%)
CMYK	cmyk(80.7%, 5%, 0%, 45.1%)
CIE-LAB	lab(50.57, -25.61, -12.01)
CIE-LCH	lch(50.57, 28.28, 205.13°)
OKLab	oklab(56.41% -0.0832 -0.0334)
OKLCH	oklch(56.41% 0.09 201.9)
XYZ	xyz(13.5710, 18.8998, 27.7386)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B858C #8C221B

analogous

#1B8C5B #1B858C #1B4C8C

triadic

#1B858C #8C1B85 #858C1B

tetradic

#1B858C #5B1B8C #8C221B #4C8C1B

square

#1B858C #5B1B8C #8C221B #4C8C1B

split-complementary

#1B858C #8C1B4C #8C5B1B

monochromatic

#072425 #115459 #1B858C #25B6BF #46D2DB

Accessibility & contrast

On white

4.39

#1B858C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#1B858C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B858C

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B858C	#FFFFFF	#000000	##000000
##1B858C	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7F8D

Deuteranopia (green-blind)

#6B748C

Tritanopia (blue-blind)

#008B87

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b858c;
/* rgb */ color: rgb(27, 133, 140);
/* oklch */ color: oklch(56.4% 0.090 201.9);

Tailwind

colors: {
  custom: {
    50: '#6ea9ad',
    500: '#1b858c',
    950: '#000000',
  },
}

SCSS

$custom: #1b858c;
$custom-light: #6ea9ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b858c",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 140
  },
  "hsl": {
    "h": 183.717,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.56412,
    "c": 0.0897,
    "h": 201.9
  },
  "luminance": 0.18902
}

Semantic roles & 50–950 ramp

primary

#1B858C

secondary

#BD4D46

accent

#483DEB

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #1B858C

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

Preview Lab → · Contrast checker → · Palette generator →