#155161#155161

#155161 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.5% C 0.065 H 219.7°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#155161
RGB	rgb(21, 81, 97)
HSL	hsl(193, 64%, 23%)
HSV	hsv(193, 78%, 38%)
CMYK	cmyk(78.4%, 16.5%, 0%, 62%)
CIE-LAB	lab(31.59, -12.83, -14.77)
CIE-LCH	lch(31.59, 19.56, 229.02°)
OKLab	oklab(40.51% -0.0497 -0.0413)
OKLCH	oklch(40.51% 0.065 219.7)
XYZ	xyz(5.4085, 6.9067, 12.3550)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155161 #612515

analogous

#15614B #155161 #152B61

triadic

#155161 #611551 #516115

tetradic

#155161 #4B1561 #612515 #2B6115

square

#155161 #4B1561 #612515 #2B6115

split-complementary

#155161 #61152B #614B15

monochromatic

#051519 #0A272F #155161 #207B93 #2BA5C6

Accessibility & contrast

On white

8.82

#155161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#155161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155161

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155161	#FFFFFF	#000000	##FFFFFF
##155161	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474F62

Deuteranopia (green-blind)

#3D4761

Tritanopia (blue-blind)

#005656

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #155161;
/* rgb */ color: rgb(21, 81, 97);
/* oklch */ color: oklch(40.5% 0.065 219.7);

Tailwind

colors: {
  custom: {
    50: '#5f828e',
    500: '#155161',
    950: '#000000',
  },
}

SCSS

$custom: #155161;
$custom-light: #5f828e;
$custom-dark: #000000;

JSON

{
  "hex": "#155161",
  "rgb": {
    "r": 21,
    "g": 81,
    "b": 97
  },
  "hsl": {
    "h": 192.632,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.4051,
    "c": 0.06459,
    "h": 219.7
  },
  "luminance": 0.06907
}

Semantic roles & 50–950 ramp

primary

#155161

secondary

#984E3A

accent

#6440E7

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0C

muted

#797C7D

Preview Lab

Preview with #155161

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

Preview Lab → · Contrast checker → · Palette generator →