#137B90#137B90

#137B90 is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 53.9% C 0.091 H 216.0°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#137B90
RGB	rgb(19, 123, 144)
HSL	hsl(190, 77%, 32%)
HSV	hsv(190, 87%, 56%)
CMYK	cmyk(86.8%, 14.6%, 0%, 43.5%)
CIE-LAB	lab(47.39, -19.74, -19.21)
CIE-LCH	lch(47.39, 27.55, 224.21°)
OKLab	oklab(53.85% -0.0738 -0.0537)
OKLCH	oklch(53.85% 0.091 216)
XYZ	xyz(12.3834, 16.3164, 28.8769)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#137B90 #902813

analogous

#139067 #137B90 #133D90

triadic

#137B90 #90137B #7B9013

tetradic

#137B90 #671390 #902813 #3D9013

square

#137B90 #671390 #902813 #3D9013

split-complementary

#137B90 #90133D #906713

monochromatic

#051F24 #0C4D5A #137B90 #1AA9C6 #39C8E5

Accessibility & contrast

On white

4.93

#137B90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#137B90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #137B90

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##137B90	#FFFFFF	#000000	##FFFFFF
##137B90	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7791

Deuteranopia (green-blind)

#5D6B90

Tritanopia (blue-blind)

#008282

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #137b90;
/* rgb */ color: rgb(19, 123, 144);
/* oklch */ color: oklch(53.9% 0.091 216.0);

Tailwind

colors: {
  custom: {
    50: '#6ba1b0',
    500: '#137b90',
    950: '#000000',
  },
}

SCSS

$custom: #137b90;
$custom-light: #6ba1b0;
$custom-dark: #000000;

JSON

{
  "hex": "#137b90",
  "rgb": {
    "r": 19,
    "g": 123,
    "b": 144
  },
  "hsl": {
    "h": 190.08,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.53854,
    "c": 0.09131,
    "h": 216
  },
  "luminance": 0.16318
}

Semantic roles & 50–950 ramp

primary

#137B90

secondary

#C4523B

accent

#5535F3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #137B90

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

Preview Lab → · Contrast checker → · Palette generator →