#1C858B#1C858B

#1C858B is a mid, moderate teal. Relative luminance 0.189; OKLCH L 56.4% C 0.089 H 200.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C858B
RGB	rgb(28, 133, 139)
HSL	hsl(183, 66%, 33%)
HSV	hsv(183, 80%, 55%)
CMYK	cmyk(79.9%, 4.3%, 0%, 45.5%)
CIE-LAB	lab(50.55, -25.83, -11.45)
CIE-LCH	lch(50.55, 28.25, 203.91°)
OKLab	oklab(56.39% -0.0834 -0.0318)
OKLCH	oklch(56.39% 0.089 200.9)
XYZ	xyz(13.5245, 18.8843, 27.3533)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C858B #8B221C

analogous

#1C8B59 #1C858B #1C4E8B

triadic

#1C858B #8B1C85 #858B1C

tetradic

#1C858B #591C8B #8B221C #4E8B1C

square

#1C858B #591C8B #8B221C #4E8B1C

split-complementary

#1C858B #8B1C4E #8B591C

monochromatic

#072425 #125458 #1C858B #26B6BE #47D2DA

Accessibility & contrast

On white

4.40

#1C858B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#1C858B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C858B

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C858B	#FFFFFF	#000000	##000000
##1C858B	1.00	4.40	4.78	4.78
#FFFFFF	4.40	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)

#7A7F8C

Deuteranopia (green-blind)

#6B748B

Tritanopia (blue-blind)

#008A87

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1c858b;
/* rgb */ color: rgb(28, 133, 139);
/* oklch */ color: oklch(56.4% 0.089 200.9);

Tailwind

colors: {
  custom: {
    50: '#6ea9ac',
    500: '#1c858b',
    950: '#000000',
  },
}

SCSS

$custom: #1c858b;
$custom-light: #6ea9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c858b",
  "rgb": {
    "r": 28,
    "g": 133,
    "b": 139
  },
  "hsl": {
    "h": 183.243,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.5639,
    "c": 0.08925,
    "h": 200.9
  },
  "luminance": 0.18886
}

Semantic roles & 50–950 ramp

primary

#1C858B

secondary

#BC4D47

accent

#483EE9

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #1C858B

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

Preview Lab → · Contrast checker → · Palette generator →