#155C6F#155C6F

#155C6F is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.2% C 0.073 H 220.4°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#155C6F
RGB	rgb(21, 92, 111)
HSL	hsl(193, 68%, 26%)
HSV	hsv(193, 81%, 44%)
CMYK	cmyk(81.1%, 17.1%, 0%, 56.5%)
CIE-LAB	lab(35.91, -14.12, -16.91)
CIE-LCH	lch(35.91, 22.02, 230.14°)
OKLab	oklab(44.18% -0.0556 -0.0473)
OKLCH	oklch(44.18% 0.073 220.4)
XYZ	xyz(7.0044, 8.9606, 16.3962)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C6F #6F2815

analogous

#156F55 #155C6F #152F6F

triadic

#155C6F #6F155C #5C6F15

tetradic

#155C6F #55156F #6F2815 #2F6F15

square

#155C6F #55156F #6F2815 #2F6F15

split-complementary

#155C6F #6F152F #6F5515

monochromatic

#05151A #0B313C #155C6F #1F87A2 #28B1D6

Accessibility & contrast

On white

7.52

#155C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#155C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C6F

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C6F	#FFFFFF	#000000	##FFFFFF
##155C6F	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505970

Deuteranopia (green-blind)

#44516F

Tritanopia (blue-blind)

#006262

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155c6f;
/* rgb */ color: rgb(21, 92, 111);
/* oklch */ color: oklch(44.2% 0.073 220.4);

Tailwind

colors: {
  custom: {
    50: '#638a98',
    500: '#155c6f',
    950: '#000000',
  },
}

SCSS

$custom: #155c6f;
$custom-light: #638a98;
$custom-dark: #000000;

JSON

{
  "hex": "#155c6f",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 111
  },
  "hsl": {
    "h": 192.667,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.44175,
    "c": 0.073,
    "h": 220.4
  },
  "luminance": 0.08961
}

Semantic roles & 50–950 ramp

primary

#155C6F

secondary

#A5513A

accent

#623DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155C6F

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

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