#155C6C#155C6C

#155C6C is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.0% C 0.071 H 216.8°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#155C6C
RGB	rgb(21, 92, 108)
HSL	hsl(191, 67%, 25%)
HSV	hsv(191, 81%, 42%)
CMYK	cmyk(80.6%, 14.8%, 0%, 57.6%)
CIE-LAB	lab(35.78, -15.21, -15.24)
CIE-LCH	lch(35.78, 21.53, 225.06°)
OKLab	oklab(44.03% -0.0569 -0.0426)
OKLCH	oklch(44.03% 0.071 216.8)
XYZ	xyz(6.8420, 8.8956, 15.5409)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C6C #6C2515

analogous

#156C50 #155C6C #15316C

triadic

#155C6C #6C155C #5C6C15

tetradic

#155C6C #50156C #6C2515 #316C15

square

#155C6C #50156C #6C2515 #316C15

split-complementary

#155C6C #6C1531 #6C5015

monochromatic

#05161A #0B3039 #155C6C #1F889F #29B3D2

Accessibility & contrast

On white

7.56

#155C6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#155C6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C6C

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C6C	#FFFFFF	#000000	##FFFFFF
##155C6C	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51596D

Deuteranopia (green-blind)

#46506C

Tritanopia (blue-blind)

#006261

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155c6c;
/* rgb */ color: rgb(21, 92, 108);
/* oklch */ color: oklch(44.0% 0.071 216.8);

Tailwind

colors: {
  custom: {
    50: '#628a96',
    500: '#155c6c',
    950: '#000000',
  },
}

SCSS

$custom: #155c6c;
$custom-light: #628a96;
$custom-dark: #000000;

JSON

{
  "hex": "#155c6c",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 108
  },
  "hsl": {
    "h": 191.034,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.44032,
    "c": 0.07106,
    "h": 216.8
  },
  "luminance": 0.08896
}

Semantic roles & 50–950 ramp

primary

#155C6C

secondary

#A34D3A

accent

#5D3DEA

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155C6C

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

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