#428B6B#428B6B

#428B6B is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.0% C 0.089 H 162.9°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#428B6B
RGB	rgb(66, 139, 107)
HSL	hsl(154, 36%, 40%)
HSV	hsv(154, 53%, 55%)
CMYK	cmyk(52.5%, 0%, 23%, 45.5%)
CIE-LAB	lab(52.60, -30.81, 10.26)
CIE-LCH	lch(52.60, 32.47, 161.58°)
OKLab	oklab(58.05% -0.0853 0.0263)
OKLCH	oklch(58.05% 0.089 162.9)
XYZ	xyz(14.1320, 20.6838, 17.1547)
Luminance	0.2069 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B6B #8B4262

analogous

#428B47 #428B6B #42868B

triadic

#428B6B #6B428B #8B6B42

tetradic

#428B6B #47428B #8B4262 #868B42

square

#428B6B #47428B #8B4262 #868B42

split-complementary

#428B6B #8B4286 #8B4742

monochromatic

#1B382B #2E624B #428B6B #5AB18A #83C4A8

Accessibility & contrast

On white

4.09

#428B6B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#428B6B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B6B

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B6B	#FFFFFF	#000000	##000000
##428B6B	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#898269

Deuteranopia (green-blind)

#7E7A6D

Tritanopia (blue-blind)

#298B82

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428b6b;
/* rgb */ color: rgb(66, 139, 107);
/* oklch */ color: oklch(58.0% 0.089 162.9);

Tailwind

colors: {
  custom: {
    50: '#7cad95',
    500: '#428b6b',
    950: '#000000',
  },
}

SCSS

$custom: #428b6b;
$custom-light: #7cad95;
$custom-dark: #000000;

JSON

{
  "hex": "#428b6b",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 107
  },
  "hsl": {
    "h": 153.699,
    "s": 35.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.58046,
    "c": 0.08927,
    "h": 162.9
  },
  "luminance": 0.20685
}

Semantic roles & 50–950 ramp

primary

#428B6B

secondary

#AF7A91

accent

#5C8DCC

background

#F7FAF9

surface

#EEF4F1

border

#C9CECB

text

#0A100D

muted

#7C7F7E

Preview Lab

Preview with #428B6B

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

Preview Lab → · Contrast checker → · Palette generator →