#42899D#42899D

#42899D is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.077 H 218.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#42899D
RGB	rgb(66, 137, 157)
HSL	hsl(193, 41%, 44%)
HSV	hsv(193, 58%, 62%)
CMYK	cmyk(58%, 12.7%, 0%, 38.4%)
CIE-LAB	lab(53.47, -16.23, -17.39)
CIE-LCH	lch(53.47, 23.78, 226.98°)
OKLab	oklab(59.25% -0.06 -0.0482)
OKLCH	oklch(59.25% 0.077 218.8)
XYZ	xyz(17.2758, 21.4823, 35.1278)
Luminance	0.2148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42899D #9D5642

analogous

#429D83 #42899D #425B9D

triadic

#42899D #9D4289 #899D42

tetradic

#42899D #83429D #9D5642 #5B9D42

square

#42899D #83429D #9D5642 #5B9D42

split-complementary

#42899D #9D425B #9D8342

monochromatic

#1E3E47 #306372 #42899D #60A8BC #8BC0CE

Accessibility & contrast

On white

3.96

#42899D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#42899D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42899D

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42899D	#FFFFFF	#000000	##000000
##42899D	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859E

Deuteranopia (green-blind)

#6F7B9D

Tritanopia (blue-blind)

#00908F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #42899d;
/* rgb */ color: rgb(66, 137, 157);
/* oklch */ color: oklch(59.2% 0.077 218.8);

Tailwind

colors: {
  custom: {
    50: '#7fabba',
    500: '#42899d',
    950: '#000000',
  },
}

SCSS

$custom: #42899d;
$custom-light: #7fabba;
$custom-dark: #000000;

JSON

{
  "hex": "#42899d",
  "rgb": {
    "r": 66,
    "g": 137,
    "b": 157
  },
  "hsl": {
    "h": 193.187,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.59246,
    "c": 0.07703,
    "h": 218.8
  },
  "luminance": 0.21484
}

Semantic roles & 50–950 ramp

primary

#42899D

secondary

#B98E82

accent

#7257D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #42899D

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

Preview Lab → · Contrast checker → · Palette generator →