#1B839E#1B839E

#1B839E is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.7% C 0.097 H 220.5°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B839E
RGB	rgb(27, 131, 158)
HSL	hsl(192, 71%, 36%)
HSV	hsv(192, 83%, 62%)
CMYK	cmyk(82.9%, 17.1%, 0%, 38%)
CIE-LAB	lab(50.61, -18.49, -22.45)
CIE-LCH	lch(50.61, 29.08, 230.52°)
OKLab	oklab(56.67% -0.0735 -0.0629)
OKLCH	oklch(56.67% 0.097 220.5)
XYZ	xyz(14.7372, 18.9324, 35.2187)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B839E #9E361B

analogous

#1B9E78 #1B839E #1B429E

triadic

#1B839E #9E1B83 #839E1B

tetradic

#1B839E #781B9E #9E361B #429E1B

square

#1B839E #781B9E #9E361B #429E1B

split-complementary

#1B839E #9E1B42 #9E781B

monochromatic

#092C35 #12586A #1B839E #24AED2 #52C4E1

Accessibility & contrast

On white

4.39

#1B839E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1B839E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B839E

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B839E	#FFFFFF	#000000	##000000
##1B839E	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737F9F

Deuteranopia (green-blind)

#62739E

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b839e;
/* rgb */ color: rgb(27, 131, 158);
/* oklch */ color: oklch(56.7% 0.097 220.5);

Tailwind

colors: {
  custom: {
    50: '#70a7ba',
    500: '#1b839e',
    950: '#000000',
  },
}

SCSS

$custom: #1b839e;
$custom-light: #70a7ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1b839e",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 158
  },
  "hsl": {
    "h": 192.366,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.56666,
    "c": 0.09674,
    "h": 220.5
  },
  "luminance": 0.18934
}

Semantic roles & 50–950 ramp

primary

#1B839E

secondary

#C46851

accent

#5F3AEE

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1B839E

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

Preview Lab → · Contrast checker → · Palette generator →