#428390#428390

#428390 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.2% C 0.069 H 212.3°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#428390
RGB	rgb(66, 131, 144)
HSL	hsl(190, 37%, 41%)
HSV	hsv(190, 54%, 56%)
CMYK	cmyk(54.2%, 9%, 0%, 43.5%)
CIE-LAB	lab(51.16, -16.91, -13.36)
CIE-LCH	lch(51.16, 21.55, 218.30°)
OKLab	oklab(57.24% -0.0584 -0.0369)
OKLCH	oklch(57.24% 0.069 212.3)
XYZ	xyz(15.3951, 19.4031, 29.3140)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428390 #904F42

analogous

#429076 #428390 #425C90

triadic

#428390 #904283 #839042

tetradic

#428390 #764290 #904F42 #5C9042

square

#428390 #764290 #904F42 #5C9042

split-complementary

#428390 #90425C #907642

monochromatic

#1C373C #2F5D66 #428390 #5BA5B4 #85BCC7

Accessibility & contrast

On white

4.30

#428390 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#428390 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428390

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428390	#FFFFFF	#000000	##000000
##428390	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#797F91

Deuteranopia (green-blind)

#6D7690

Tritanopia (blue-blind)

#048887

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428390;
/* rgb */ color: rgb(66, 131, 144);
/* oklch */ color: oklch(57.2% 0.069 212.3);

Tailwind

colors: {
  custom: {
    50: '#7da7b0',
    500: '#428390',
    950: '#000000',
  },
}

SCSS

$custom: #428390;
$custom-light: #7da7b0;
$custom-dark: #000000;

JSON

{
  "hex": "#428390",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 144
  },
  "hsl": {
    "h": 190,
    "s": 37.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.57235,
    "c": 0.06911,
    "h": 212.3
  },
  "luminance": 0.19404
}

Semantic roles & 50–950 ramp

primary

#428390

secondary

#B2857C

accent

#6E5BCD

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #428390

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

Preview Lab → · Contrast checker → · Palette generator →