#1B829B#1B829B

#1B829B is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.3% C 0.095 H 219.0°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B829B
RGB	rgb(27, 130, 155)
HSL	hsl(192, 70%, 36%)
HSV	hsv(192, 83%, 61%)
CMYK	cmyk(82.6%, 16.1%, 0%, 39.2%)
CIE-LAB	lab(50.17, -18.99, -21.37)
CIE-LCH	lch(50.17, 28.59, 228.37°)
OKLab	oklab(56.28% -0.0738 -0.0598)
OKLCH	oklch(56.28% 0.095 219)
XYZ	xyz(14.3485, 18.5630, 33.8308)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B829B #9B341B

analogous

#1B9B74 #1B829B #1B429B

triadic

#1B829B #9B1B82 #829B1B

tetradic

#1B829B #741B9B #9B341B #429B1B

square

#1B829B #741B9B #9B341B #429B1B

split-complementary

#1B829B #9B1B42 #9B741B

monochromatic

#092B33 #125667 #1B829B #24AECF #50C4E0

Accessibility & contrast

On white

4.46

#1B829B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#1B829B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B829B

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B829B	#FFFFFF	#000000	##000000
##1B829B	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727E9C

Deuteranopia (green-blind)

#62729B

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1b829b;
/* rgb */ color: rgb(27, 130, 155);
/* oklch */ color: oklch(56.3% 0.095 219.0);

Tailwind

colors: {
  custom: {
    50: '#6fa6b8',
    500: '#1b829b',
    950: '#000000',
  },
}

SCSS

$custom: #1b829b;
$custom-light: #6fa6b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b829b",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 155
  },
  "hsl": {
    "h": 191.719,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.56275,
    "c": 0.09497,
    "h": 219
  },
  "luminance": 0.18565
}

Semantic roles & 50–950 ramp

primary

#1B829B

secondary

#C3654F

accent

#5E3BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B829B

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

Preview Lab → · Contrast checker → · Palette generator →