#155E63#155E63

#155E63 is a dark, moderate teal. Relative luminance 0.091; OKLCH L 44.2% C 0.068 H 201.9°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#155E63
RGB	rgb(21, 94, 99)
HSL	hsl(184, 65%, 24%)
HSV	hsv(184, 79%, 39%)
CMYK	cmyk(78.8%, 5.1%, 0%, 61.2%)
CIE-LAB	lab(36.11, -19.48, -9.16)
CIE-LCH	lch(36.11, 21.52, 205.18°)
OKLab	oklab(44.18% -0.0633 -0.0254)
OKLCH	oklch(44.18% 0.068 201.9)
XYZ	xyz(6.5631, 9.0649, 13.2058)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E63 #631A15

analogous

#156341 #155E63 #153763

triadic

#155E63 #63155E #5E6315

tetradic

#155E63 #411563 #631A15 #376315

square

#155E63 #411563 #631A15 #376315

split-complementary

#155E63 #631537 #634115

monochromatic

#051819 #0A2E31 #155E63 #208E95 #2ABEC8

Accessibility & contrast

On white

7.46

#155E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E63

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E63	#FFFFFF	#000000	##FFFFFF
##155E63	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)

#565A63

Deuteranopia (green-blind)

#4B5163

Tritanopia (blue-blind)

#00625F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155e63;
/* rgb */ color: rgb(21, 94, 99);
/* oklch */ color: oklch(44.2% 0.068 201.9);

Tailwind

colors: {
  custom: {
    50: '#618c8f',
    500: '#155e63',
    950: '#000000',
  },
}

SCSS

$custom: #155e63;
$custom-light: #618c8f;
$custom-dark: #000000;

JSON

{
  "hex": "#155e63",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 99
  },
  "hsl": {
    "h": 183.846,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.44179,
    "c": 0.06818,
    "h": 201.9
  },
  "luminance": 0.09066
}

Semantic roles & 50–950 ramp

primary

#155E63

secondary

#9A403A

accent

#4B40E8

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #155E63

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

Preview Lab → · Contrast checker → · Palette generator →