#428CA2#428CA2

#428CA2 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.080 H 220.0°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#428CA2
RGB	rgb(66, 140, 162)
HSL	hsl(194, 42%, 45%)
HSV	hsv(194, 59%, 64%)
CMYK	cmyk(59.3%, 13.6%, 0%, 36.5%)
CIE-LAB	lab(54.58, -16.31, -18.59)
CIE-LCH	lch(54.58, 24.73, 228.74°)
OKLab	oklab(60.19% -0.0615 -0.0516)
OKLCH	oklch(60.19% 0.08 220)
XYZ	xyz(18.1439, 22.5213, 37.5663)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428CA2 #A25842

analogous

#42A288 #428CA2 #425CA2

triadic

#428CA2 #A2428C #8CA242

tetradic

#428CA2 #8842A2 #A25842 #5CA242

square

#428CA2 #8842A2 #A25842 #5CA242

split-complementary

#428CA2 #A2425C #A28842

monochromatic

#1F414B #306677 #428CA2 #62AABF #8EC1D1

Accessibility & contrast

On white

3.81

#428CA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#428CA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428CA2

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428CA2	#FFFFFF	#000000	##000000
##428CA2	1.00	3.81	5.50	5.50
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E89A3

Deuteranopia (green-blind)

#707EA2

Tritanopia (blue-blind)

#009393

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #428ca2;
/* rgb */ color: rgb(66, 140, 162);
/* oklch */ color: oklch(60.2% 0.080 220.0);

Tailwind

colors: {
  custom: {
    50: '#7fadbd',
    500: '#428ca2',
    950: '#000000',
  },
}

SCSS

$custom: #428ca2;
$custom-light: #7fadbd;
$custom-dark: #000000;

JSON

{
  "hex": "#428ca2",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 162
  },
  "hsl": {
    "h": 193.75,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.6019,
    "c": 0.08027,
    "h": 220
  },
  "luminance": 0.22523
}

Semantic roles & 50–950 ramp

primary

#428CA2

secondary

#BC9184

accent

#7256D2

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #428CA2

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

Preview Lab → · Contrast checker → · Palette generator →