#428A8D#428A8D

#428A8D is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.9% C 0.072 H 199.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#428A8D
RGB	rgb(66, 138, 141)
HSL	hsl(182, 36%, 41%)
HSV	hsv(182, 53%, 55%)
CMYK	cmyk(53.2%, 2.1%, 0%, 44.7%)
CIE-LAB	lab(53.23, -21.52, -8.49)
CIE-LCH	lch(53.23, 23.13, 201.54°)
OKLab	oklab(58.87% -0.068 -0.0235)
OKLCH	oklch(58.87% 0.072 199)
XYZ	xyz(16.1410, 21.2568, 28.4465)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428A8D #8D4542

analogous

#428D6A #428A8D #42648D

triadic

#428A8D #8D428A #8A8D42

tetradic

#428A8D #6A428D #8D4542 #648D42

square

#428A8D #6A428D #8D4542 #648D42

split-complementary

#428A8D #8D4264 #8D6A42

monochromatic

#1B383A #2E6163 #428A8D #5AAEB2 #84C3C5

Accessibility & contrast

On white

4.00

#428A8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#428A8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428A8D

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428A8D	#FFFFFF	#000000	##000000
##428A8D	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81848D

Deuteranopia (green-blind)

#757B8D

Tritanopia (blue-blind)

#048E8B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428a8d;
/* rgb */ color: rgb(66, 138, 141);
/* oklch */ color: oklch(58.9% 0.072 199.0);

Tailwind

colors: {
  custom: {
    50: '#7dacae',
    500: '#428a8d',
    950: '#000000',
  },
}

SCSS

$custom: #428a8d;
$custom-light: #7dacae;
$custom-dark: #000000;

JSON

{
  "hex": "#428a8d",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 141
  },
  "hsl": {
    "h": 182.4,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.58867,
    "c": 0.07198,
    "h": 199
  },
  "luminance": 0.21258
}

Semantic roles & 50–950 ramp

primary

#428A8D

secondary

#B07D7B

accent

#605CCC

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #428A8D

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

Preview Lab → · Contrast checker → · Palette generator →