#1B838C#1B838C

#1B838C is a mid, moderate teal. Relative luminance 0.184; OKLCH L 55.9% C 0.089 H 204.0°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B838C
RGB	rgb(27, 131, 140)
HSL	hsl(185, 68%, 33%)
HSV	hsv(185, 81%, 55%)
CMYK	cmyk(80.7%, 6.4%, 0%, 45.1%)
CIE-LAB	lab(49.93, -24.59, -12.98)
CIE-LCH	lch(49.93, 27.80, 207.83°)
OKLab	oklab(55.89% -0.0812 -0.0361)
OKLCH	oklch(55.89% 0.089 204)
XYZ	xyz(13.2998, 18.3574, 27.6482)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B838C #8C241B

analogous

#1B8C5D #1B838C #1B4A8C

triadic

#1B838C #8C1B83 #838C1B

tetradic

#1B838C #5D1B8C #8C241B #4A8C1B

square

#1B838C #5D1B8C #8C241B #4A8C1B

split-complementary

#1B838C #8C1B4A #8C5D1B

monochromatic

#072325 #115359 #1B838C #25B3BF #46CFDB

Accessibility & contrast

On white

4.50

#1B838C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#1B838C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B838C

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B838C	#FFFFFF	#000000	##000000
##1B838C	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#787D8D

Deuteranopia (green-blind)

#68728C

Tritanopia (blue-blind)

#008986

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1b838c;
/* rgb */ color: rgb(27, 131, 140);
/* oklch */ color: oklch(55.9% 0.089 204.0);

Tailwind

colors: {
  custom: {
    50: '#6da7ad',
    500: '#1b838c',
    950: '#000000',
  },
}

SCSS

$custom: #1b838c;
$custom-light: #6da7ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b838c",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 140
  },
  "hsl": {
    "h": 184.779,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.55891,
    "c": 0.08887,
    "h": 204
  },
  "luminance": 0.18359
}

Semantic roles & 50–950 ramp

primary

#1B838C

secondary

#BD4F46

accent

#4B3DEB

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #1B838C

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

Preview Lab → · Contrast checker → · Palette generator →