#155E5D#155E5D

#155E5D is a dark, moderate teal. Relative luminance 0.090; OKLCH L 43.9% C 0.068 H 193.6°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#155E5D
RGB	rgb(21, 94, 93)
HSL	hsl(179, 63%, 23%)
HSV	hsv(179, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 1.1%, 63.1%)
CIE-LAB	lab(35.90, -21.48, -5.74)
CIE-LCH	lch(35.90, 22.24, 194.97°)
OKLab	oklab(43.94% -0.0662 -0.016)
OKLCH	oklch(43.94% 0.068 193.6)
XYZ	xyz(6.2868, 8.9544, 11.7508)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E5D #5E1516

analogous

#155E38 #155E5D #153B5E

triadic

#155E5D #5D155E #5E5D15

tetradic

#155E5D #38155E #5E1516 #3B5E15

square

#155E5D #38155E #5E1516 #3B5E15

split-complementary

#155E5D #5E153B #5E3815

monochromatic

#061919 #0A2C2C #155E5D #20908E #2BC2C0

Accessibility & contrast

On white

7.52

#155E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#155E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E5D

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E5D	#FFFFFF	#000000	##FFFFFF
##155E5D	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58595D

Deuteranopia (green-blind)

#4D515E

Tritanopia (blue-blind)

#00615D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e5d;
/* rgb */ color: rgb(21, 94, 93);
/* oklch */ color: oklch(43.9% 0.068 193.6);

Tailwind

colors: {
  custom: {
    50: '#618c8a',
    500: '#155e5d',
    950: '#000000',
  },
}

SCSS

$custom: #155e5d;
$custom-light: #618c8a;
$custom-dark: #000000;

JSON

{
  "hex": "#155e5d",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 93
  },
  "hsl": {
    "h": 179.178,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43936,
    "c": 0.0681,
    "h": 193.6
  },
  "luminance": 0.08955
}

Semantic roles & 50–950 ramp

primary

#155E5D

secondary

#95393B

accent

#4144E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155E5D

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

Preview Lab → · Contrast checker → · Palette generator →