#155D6F#155D6F

#155D6F is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.4% C 0.073 H 219.0°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#155D6F
RGB	rgb(21, 93, 111)
HSL	hsl(192, 68%, 26%)
HSV	hsv(192, 81%, 44%)
CMYK	cmyk(81.1%, 16.2%, 0%, 56.5%)
CIE-LAB	lab(36.24, -14.69, -16.39)
CIE-LCH	lch(36.24, 22.01, 228.13°)
OKLab	oklab(44.44% -0.0567 -0.0458)
OKLCH	oklch(44.44% 0.073 219)
XYZ	xyz(7.0916, 9.1350, 16.4253)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D6F #6F2715

analogous

#156F54 #155D6F #15306F

triadic

#155D6F #6F155D #5D6F15

tetradic

#155D6F #54156F #6F2715 #306F15

square

#155D6F #54156F #6F2715 #306F15

split-complementary

#155D6F #6F1530 #6F5415

monochromatic

#05161A #0B323C #155D6F #1F88A2 #28B3D6

Accessibility & contrast

On white

7.43

#155D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#155D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D6F

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D6F	#FFFFFF	#000000	##FFFFFF
##155D6F	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525A70

Deuteranopia (green-blind)

#46516F

Tritanopia (blue-blind)

#006363

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155d6f;
/* rgb */ color: rgb(21, 93, 111);
/* oklch */ color: oklch(44.4% 0.073 219.0);

Tailwind

colors: {
  custom: {
    50: '#638b98',
    500: '#155d6f',
    950: '#000000',
  },
}

SCSS

$custom: #155d6f;
$custom-light: #638b98;
$custom-dark: #000000;

JSON

{
  "hex": "#155d6f",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 111
  },
  "hsl": {
    "h": 192,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.44443,
    "c": 0.07289,
    "h": 219
  },
  "luminance": 0.09136
}

Semantic roles & 50–950 ramp

primary

#155D6F

secondary

#A5503A

accent

#603DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #155D6F

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

Preview Lab → · Contrast checker → · Palette generator →