#42899C#42899C

#42899C is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.2% C 0.076 H 217.7°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#42899C
RGB	rgb(66, 137, 156)
HSL	hsl(193, 41%, 44%)
HSV	hsv(193, 58%, 61%)
CMYK	cmyk(57.7%, 12.2%, 0%, 38.8%)
CIE-LAB	lab(53.44, -16.53, -16.87)
CIE-LCH	lch(53.44, 23.62, 225.57°)
OKLab	oklab(59.21% -0.0605 -0.0468)
OKLCH	oklch(59.21% 0.076 217.7)
XYZ	xyz(17.1908, 21.4482, 34.6800)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42899C #9C5542

analogous

#429C82 #42899C #425C9C

triadic

#42899C #9C4289 #899C42

tetradic

#42899C #82429C #9C5542 #5C9C42

square

#42899C #82429C #9C5542 #5C9C42

split-complementary

#42899C #9C425C #9C8242

monochromatic

#1E3D46 #306371 #42899C #60A8BC #8BC0CE

Accessibility & contrast

On white

3.97

#42899C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#42899C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42899C

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42899C	#FFFFFF	#000000	##000000
##42899C	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D859D

Deuteranopia (green-blind)

#6F7B9C

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #42899c;
/* rgb */ color: rgb(66, 137, 156);
/* oklch */ color: oklch(59.2% 0.076 217.7);

Tailwind

colors: {
  custom: {
    50: '#7fabb9',
    500: '#42899c',
    950: '#000000',
  },
}

SCSS

$custom: #42899c;
$custom-light: #7fabb9;
$custom-dark: #000000;

JSON

{
  "hex": "#42899c",
  "rgb": {
    "r": 66,
    "g": 137,
    "b": 156
  },
  "hsl": {
    "h": 192.667,
    "s": 40.541,
    "l": 43.529
  },
  "oklch": {
    "l": 0.59205,
    "c": 0.07644,
    "h": 217.7
  },
  "luminance": 0.2145
}

Semantic roles & 50–950 ramp

primary

#42899C

secondary

#B98D81

accent

#7157D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #42899C

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

Preview Lab → · Contrast checker → · Palette generator →