#155E5E#155E5E

#155E5E is a dark, moderate teal. Relative luminance 0.090; OKLCH L 44.0% C 0.068 H 195.0°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#155E5E
RGB	rgb(21, 94, 94)
HSL	hsl(180, 63%, 23%)
HSV	hsv(180, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 0%, 63.1%)
CIE-LAB	lab(35.93, -21.15, -6.32)
CIE-LCH	lch(35.93, 22.08, 196.62°)
OKLab	oklab(43.98% -0.0657 -0.0176)
OKLCH	oklch(43.98% 0.068 195)
XYZ	xyz(6.3314, 8.9722, 11.9856)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E5E #5E1515

analogous

#155E39 #155E5E #15395E

triadic

#155E5E #5E155E #5E5E15

tetradic

#155E5E #39155E #5E1515 #395E15

square

#155E5E #39155E #5E1515 #395E15

split-complementary

#155E5E #5E1539 #5E3915

monochromatic

#061919 #0A2C2C #155E5E #209090 #2BC2C2

Accessibility & contrast

On white

7.51

#155E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#155E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E5E

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E5E	#FFFFFF	#000000	##FFFFFF
##155E5E	1.00	7.51	2.79	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57595E

Deuteranopia (green-blind)

#4D515E

Tritanopia (blue-blind)

#00615E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e5e;
/* rgb */ color: rgb(21, 94, 94);
/* oklch */ color: oklch(44.0% 0.068 195.0);

Tailwind

colors: {
  custom: {
    50: '#618c8b',
    500: '#155e5e',
    950: '#000000',
  },
}

SCSS

$custom: #155e5e;
$custom-light: #618c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#155e5e",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 94
  },
  "hsl": {
    "h": 180,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43976,
    "c": 0.06801,
    "h": 195
  },
  "luminance": 0.08973
}

Semantic roles & 50–950 ramp

primary

#155E5E

secondary

#953939

accent

#4141E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050C0C

muted

#7A7D7D

Preview Lab

Preview with #155E5E

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

Preview Lab → · Contrast checker → · Palette generator →