#1D839B#1D839B

#1D839B is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.6% C 0.094 H 218.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1D839B
RGB	rgb(29, 131, 155)
HSL	hsl(191, 68%, 36%)
HSV	hsv(191, 81%, 61%)
CMYK	cmyk(81.3%, 15.5%, 0%, 39.2%)
CIE-LAB	lab(50.52, -19.34, -20.83)
CIE-LCH	lch(50.52, 28.42, 227.13°)
OKLab	oklab(56.57% -0.0741 -0.0583)
OKLCH	oklch(56.57% 0.094 218.2)
XYZ	xyz(14.5369, 18.8586, 33.8779)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D839B #9B351D

analogous

#1D9B74 #1D839B #1D449B

triadic

#1D839B #9B1D83 #839B1D

tetradic

#1D839B #741D9B #9B351D #449B1D

square

#1D839B #741D9B #9B351D #449B1D

split-complementary

#1D839B #9B1D44 #9B741D

monochromatic

#0A2C34 #135767 #1D839B #27AFCF #53C4DF

Accessibility & contrast

On white

4.40

#1D839B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#1D839B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D839B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D839B	#FFFFFF	#000000	##000000
##1D839B	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747F9C

Deuteranopia (green-blind)

#63739B

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1d839b;
/* rgb */ color: rgb(29, 131, 155);
/* oklch */ color: oklch(56.6% 0.094 218.2);

Tailwind

colors: {
  custom: {
    50: '#70a7b8',
    500: '#1d839b',
    950: '#000000',
  },
}

SCSS

$custom: #1d839b;
$custom-light: #70a7b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d839b",
  "rgb": {
    "r": 29,
    "g": 131,
    "b": 155
  },
  "hsl": {
    "h": 191.429,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.56566,
    "c": 0.09424,
    "h": 218.2
  },
  "luminance": 0.1886
}

Semantic roles & 50–950 ramp

primary

#1D839B

secondary

#C26752

accent

#5E3CEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1D839B

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

Preview Lab → · Contrast checker → · Palette generator →