#1B829F#1B829F

#1B829F is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.5% C 0.098 H 222.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#1B829F
RGB	rgb(27, 130, 159)
HSL	hsl(193, 71%, 36%)
HSV	hsv(193, 83%, 62%)
CMYK	cmyk(83%, 18.2%, 0%, 37.6%)
CIE-LAB	lab(50.33, -17.59, -23.45)
CIE-LCH	lch(50.33, 29.32, 233.12°)
OKLab	oklab(56.46% -0.0722 -0.0658)
OKLCH	oklch(56.46% 0.098 222.3)
XYZ	xyz(14.6900, 18.6996, 35.6293)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B829F #9F381B

analogous

#1B9F7A #1B829F #1B409F

triadic

#1B829F #9F1B82 #829F1B

tetradic

#1B829F #7A1B9F #9F381B #409F1B

square

#1B829F #7A1B9F #9F381B #409F1B

split-complementary

#1B829F #9F1B40 #9F7A1B

monochromatic

#092C36 #12576B #1B829F #24ADD3 #53C2E2

Accessibility & contrast

On white

4.43

#1B829F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#1B829F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B829F

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B829F	#FFFFFF	#000000	##000000
##1B829F	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717FA0

Deuteranopia (green-blind)

#60729F

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b829f;
/* rgb */ color: rgb(27, 130, 159);
/* oklch */ color: oklch(56.5% 0.098 222.3);

Tailwind

colors: {
  custom: {
    50: '#70a6bb',
    500: '#1b829f',
    950: '#000000',
  },
}

SCSS

$custom: #1b829f;
$custom-light: #70a6bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b829f",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 159
  },
  "hsl": {
    "h": 193.182,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.56459,
    "c": 0.09762,
    "h": 222.3
  },
  "luminance": 0.18701
}

Semantic roles & 50–950 ramp

primary

#1B829F

secondary

#C56B51

accent

#623AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1B829F

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

Preview Lab → · Contrast checker → · Palette generator →