#155D6C#155D6C

#155D6C is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.3% C 0.071 H 215.3°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#155D6C
RGB	rgb(21, 93, 108)
HSL	hsl(190, 67%, 25%)
HSV	hsv(190, 81%, 42%)
CMYK	cmyk(80.6%, 13.9%, 0%, 57.6%)
CIE-LAB	lab(36.12, -15.78, -14.73)
CIE-LCH	lch(36.12, 21.58, 223.03°)
OKLab	oklab(44.3% -0.058 -0.0411)
OKLCH	oklch(44.3% 0.071 215.3)
XYZ	xyz(6.9292, 9.0700, 15.5699)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D6C #6C2415

analogous

#156C4F #155D6C #15316C

triadic

#155D6C #6C155D #5D6C15

tetradic

#155D6C #4F156C #6C2415 #316C15

square

#155D6C #4F156C #6C2415 #316C15

split-complementary

#155D6C #6C1531 #6C4F15

monochromatic

#05161A #0B3139 #155D6C #1F899F #29B5D2

Accessibility & contrast

On white

7.46

#155D6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155D6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D6C

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D6C	#FFFFFF	#000000	##FFFFFF
##155D6C	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535A6D

Deuteranopia (green-blind)

#47516C

Tritanopia (blue-blind)

#006262

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155d6c;
/* rgb */ color: rgb(21, 93, 108);
/* oklch */ color: oklch(44.3% 0.071 215.3);

Tailwind

colors: {
  custom: {
    50: '#628b96',
    500: '#155d6c',
    950: '#000000',
  },
}

SCSS

$custom: #155d6c;
$custom-light: #628b96;
$custom-dark: #000000;

JSON

{
  "hex": "#155d6c",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 108
  },
  "hsl": {
    "h": 190.345,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.44302,
    "c": 0.07108,
    "h": 215.3
  },
  "luminance": 0.09071
}

Semantic roles & 50–950 ramp

primary

#155D6C

secondary

#A34C3A

accent

#5B3DEA

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #155D6C

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

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