#155D6B#155D6B

#155D6B is a dark, moderate teal. Relative luminance 0.090; OKLCH L 44.3% C 0.071 H 214.1°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#155D6B
RGB	rgb(21, 93, 107)
HSL	hsl(190, 67%, 25%)
HSV	hsv(190, 80%, 42%)
CMYK	cmyk(80.4%, 13.1%, 0%, 58%)
CIE-LAB	lab(36.08, -16.13, -14.17)
CIE-LCH	lch(36.08, 21.47, 221.29°)
OKLab	oklab(44.26% -0.0584 -0.0395)
OKLCH	oklch(44.26% 0.071 214.1)
XYZ	xyz(6.8763, 9.0488, 15.2913)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D6B #6B2315

analogous

#156B4E #155D6B #15326B

triadic

#155D6B #6B155D #5D6B15

tetradic

#155D6B #4E156B #6B2315 #326B15

square

#155D6B #4E156B #6B2315 #326B15

split-complementary

#155D6B #6B1532 #6B4E15

monochromatic

#05161A #0B3138 #155D6B #1F899E #29B6D1

Accessibility & contrast

On white

7.47

#155D6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155D6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D6B

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D6B	#FFFFFF	#000000	##FFFFFF
##155D6B	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535A6C

Deuteranopia (green-blind)

#47516B

Tritanopia (blue-blind)

#006261

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155d6b;
/* rgb */ color: rgb(21, 93, 107);
/* oklch */ color: oklch(44.3% 0.071 214.1);

Tailwind

colors: {
  custom: {
    50: '#628b95',
    500: '#155d6b',
    950: '#000000',
  },
}

SCSS

$custom: #155d6b;
$custom-light: #628b95;
$custom-dark: #000000;

JSON

{
  "hex": "#155d6b",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 107
  },
  "hsl": {
    "h": 189.767,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.44256,
    "c": 0.07055,
    "h": 214.1
  },
  "luminance": 0.0905
}

Semantic roles & 50–950 ramp

primary

#155D6B

secondary

#A24B3A

accent

#5A3EEA

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #155D6B

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

Preview Lab → · Contrast checker → · Palette generator →