#155A6F#155A6F

#155A6F is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.6% C 0.073 H 223.2°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#155A6F
RGB	rgb(21, 90, 111)
HSL	hsl(194, 68%, 26%)
HSV	hsv(194, 81%, 44%)
CMYK	cmyk(81.1%, 18.9%, 0%, 56.5%)
CIE-LAB	lab(35.24, -12.95, -17.94)
CIE-LCH	lch(35.24, 22.12, 234.17°)
OKLab	oklab(43.64% -0.0535 -0.0503)
OKLCH	oklch(43.64% 0.073 223.2)
XYZ	xyz(6.8335, 8.6186, 16.3393)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A6F #6F2A15

analogous

#156F57 #155A6F #152D6F

triadic

#155A6F #6F155A #5A6F15

tetradic

#155A6F #57156F #6F2A15 #2D6F15

square

#155A6F #57156F #6F2A15 #2D6F15

split-complementary

#155A6F #6F152D #6F5715

monochromatic

#05151A #0B303C #155A6F #1F84A2 #28ADD6

Accessibility & contrast

On white

7.71

#155A6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#155A6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A6F

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A6F	#FFFFFF	#000000	##FFFFFF
##155A6F	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5870

Deuteranopia (green-blind)

#424F6F

Tritanopia (blue-blind)

#006061

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155a6f;
/* rgb */ color: rgb(21, 90, 111);
/* oklch */ color: oklch(43.6% 0.073 223.2);

Tailwind

colors: {
  custom: {
    50: '#638898',
    500: '#155a6f',
    950: '#000000',
  },
}

SCSS

$custom: #155a6f;
$custom-light: #638898;
$custom-dark: #000000;

JSON

{
  "hex": "#155a6f",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 111
  },
  "hsl": {
    "h": 194,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.43638,
    "c": 0.07338,
    "h": 223.2
  },
  "luminance": 0.08619
}

Semantic roles & 50–950 ramp

primary

#155A6F

secondary

#A5533A

accent

#653DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155A6F

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

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