#155C6D#155C6D

#155C6D is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.1% C 0.072 H 218.0°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#155C6D
RGB	rgb(21, 92, 109)
HSL	hsl(192, 68%, 25%)
HSV	hsv(192, 81%, 43%)
CMYK	cmyk(80.7%, 15.6%, 0%, 57.3%)
CIE-LAB	lab(35.82, -14.84, -15.80)
CIE-LCH	lch(35.82, 21.68, 226.78°)
OKLab	oklab(44.08% -0.0565 -0.0441)
OKLCH	oklch(44.08% 0.072 218)
XYZ	xyz(6.8956, 8.9170, 15.8228)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C6D #6D2615

analogous

#156D52 #155C6D #15306D

triadic

#155C6D #6D155C #5C6D15

tetradic

#155C6D #52156D #6D2615 #306D15

square

#155C6D #52156D #6D2615 #306D15

split-complementary

#155C6D #6D1530 #6D5215

monochromatic

#05161A #0B313A #155C6D #1F87A0 #29B3D4

Accessibility & contrast

On white

7.54

#155C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#155C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C6D

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C6D	#FFFFFF	#000000	##FFFFFF
##155C6D	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51596E

Deuteranopia (green-blind)

#45516D

Tritanopia (blue-blind)

#006261

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155c6d;
/* rgb */ color: rgb(21, 92, 109);
/* oklch */ color: oklch(44.1% 0.072 218.0);

Tailwind

colors: {
  custom: {
    50: '#628a96',
    500: '#155c6d',
    950: '#000000',
  },
}

SCSS

$custom: #155c6d;
$custom-light: #628a96;
$custom-dark: #000000;

JSON

{
  "hex": "#155c6d",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 109
  },
  "hsl": {
    "h": 191.591,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.44079,
    "c": 0.07167,
    "h": 218
  },
  "luminance": 0.08918
}

Semantic roles & 50–950 ramp

primary

#155C6D

secondary

#A34F3A

accent

#5F3DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155C6D

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

Preview Lab → · Contrast checker → · Palette generator →