#135F6F#135F6F

#135F6F is a dark, moderate cyan. Relative luminance 0.095; OKLCH L 44.9% C 0.074 H 215.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#135F6F
RGB	rgb(19, 95, 111)
HSL	hsl(190, 71%, 25%)
HSV	hsv(190, 83%, 44%)
CMYK	cmyk(82.9%, 14.4%, 0%, 56.5%)
CIE-LAB	lab(36.87, -16.06, -15.43)
CIE-LCH	lch(36.87, 22.27, 223.85°)
OKLab	oklab(44.94% -0.0596 -0.0431)
OKLCH	oklch(44.94% 0.074 215.9)
XYZ	xyz(7.2288, 9.4697, 16.4827)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#135F6F #6F2313

analogous

#136F51 #135F6F #13316F

triadic

#135F6F #6F135F #5F6F13

tetradic

#135F6F #51136F #6F2313 #316F13

square

#135F6F #51136F #6F2313 #316F13

split-complementary

#135F6F #6F1331 #6F5113

monochromatic

#04161A #0A323B #135F6F #1C8CA3 #25B8D8

Accessibility & contrast

On white

7.26

#135F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#135F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #135F6F

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##135F6F	#FFFFFF	#000000	##FFFFFF
##135F6F	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545C70

Deuteranopia (green-blind)

#48536F

Tritanopia (blue-blind)

#006564

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #135f6f;
/* rgb */ color: rgb(19, 95, 111);
/* oklch */ color: oklch(44.9% 0.074 215.9);

Tailwind

colors: {
  custom: {
    50: '#638c98',
    500: '#135f6f',
    950: '#000000',
  },
}

SCSS

$custom: #135f6f;
$custom-light: #638c98;
$custom-dark: #000000;

JSON

{
  "hex": "#135f6f",
  "rgb": {
    "r": 19,
    "g": 95,
    "b": 111
  },
  "hsl": {
    "h": 190.435,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.4494,
    "c": 0.07355,
    "h": 215.9
  },
  "luminance": 0.09471
}

Semantic roles & 50–950 ramp

primary

#135F6F

secondary

#A64B38

accent

#593AEE

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #135F6F

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

Preview Lab → · Contrast checker → · Palette generator →