#155C64#155C64

#155C64 is a dark, moderate teal. Relative luminance 0.087; OKLCH L 43.7% C 0.068 H 206.3°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#155C64
RGB	rgb(21, 92, 100)
HSL	hsl(186, 65%, 24%)
HSV	hsv(186, 79%, 39%)
CMYK	cmyk(79%, 8%, 0%, 60.8%)
CIE-LAB	lab(35.47, -18.04, -10.75)
CIE-LCH	lch(35.47, 21.00, 210.79°)
OKLab	oklab(43.67% -0.0606 -0.0299)
OKLCH	oklch(43.67% 0.068 206.3)
XYZ	xyz(6.4356, 8.7330, 13.4006)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C64 #641D15

analogous

#156444 #155C64 #153464

triadic

#155C64 #64155C #5C6415

tetradic

#155C64 #441564 #641D15 #346415

square

#155C64 #441564 #641D15 #346415

split-complementary

#155C64 #641534 #644415

monochromatic

#051719 #0A2D31 #155C64 #208B97 #2AB9C9

Accessibility & contrast

On white

7.65

#155C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#155C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C64

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C64	#FFFFFF	#000000	##FFFFFF
##155C64	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545865

Deuteranopia (green-blind)

#495064

Tritanopia (blue-blind)

#00605E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155c64;
/* rgb */ color: rgb(21, 92, 100);
/* oklch */ color: oklch(43.7% 0.068 206.3);

Tailwind

colors: {
  custom: {
    50: '#618a90',
    500: '#155c64',
    950: '#000000',
  },
}

SCSS

$custom: #155c64;
$custom-light: #618a90;
$custom-dark: #000000;

JSON

{
  "hex": "#155c64",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 100
  },
  "hsl": {
    "h": 186.076,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.43671,
    "c": 0.06754,
    "h": 206.3
  },
  "luminance": 0.08734
}

Semantic roles & 50–950 ramp

primary

#155C64

secondary

#9B443A

accent

#5140E8

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #155C64

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

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