#15666B#15666B

#15666B is a mid, moderate teal. Relative luminance 0.107; OKLCH L 46.7% C 0.073 H 201.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#15666B
RGB	rgb(21, 102, 107)
HSL	hsl(183, 67%, 25%)
HSV	hsv(183, 80%, 42%)
CMYK	cmyk(80.4%, 4.7%, 0%, 58%)
CIE-LAB	lab(39.11, -21.07, -9.57)
CIE-LCH	lch(39.11, 23.14, 204.43°)
OKLab	oklab(46.71% -0.0682 -0.0266)
OKLCH	oklch(46.71% 0.073 201.3)
XYZ	xyz(7.7133, 10.7228, 15.5702)
Luminance	0.1072 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15666B #6B1A15

analogous

#156B45 #15666B #153B6B

triadic

#15666B #6B1566 #666B15

tetradic

#15666B #45156B #6B1A15 #3B6B15

square

#15666B #45156B #6B1A15 #3B6B15

split-complementary

#15666B #6B153B #6B4515

monochromatic

#05181A #0B3538 #15666B #1F979E #29C8D1

Accessibility & contrast

On white

6.68

#15666B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#15666B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15666B

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15666B	#FFFFFF	#000000	##FFFFFF
##15666B	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E616B

Deuteranopia (green-blind)

#52586B

Tritanopia (blue-blind)

#006A67

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #15666b;
/* rgb */ color: rgb(21, 102, 107);
/* oklch */ color: oklch(46.7% 0.073 201.3);

Tailwind

colors: {
  custom: {
    50: '#639295',
    500: '#15666b',
    950: '#000000',
  },
}

SCSS

$custom: #15666b;
$custom-light: #639295;
$custom-dark: #000000;

JSON

{
  "hex": "#15666b",
  "rgb": {
    "r": 21,
    "g": 102,
    "b": 107
  },
  "hsl": {
    "h": 183.488,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.46706,
    "c": 0.07318,
    "h": 201.3
  },
  "luminance": 0.10724
}

Semantic roles & 50–950 ramp

primary

#15666B

secondary

#A2403A

accent

#483EEA

background

#F6F9F9

surface

#EBF1F1

border

#C6CBCB

text

#060D0D

muted

#7A7E7E

Preview Lab

Preview with #15666B

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

Preview Lab → · Contrast checker → · Palette generator →