#42748D#42748D

#42748D is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.4% C 0.067 H 231.6°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#42748D
RGB	rgb(66, 116, 141)
HSL	hsl(200, 36%, 41%)
HSV	hsv(200, 53%, 55%)
CMYK	cmyk(53.2%, 17.7%, 0%, 44.7%)
CIE-LAB	lab(46.41, -9.42, -18.82)
CIE-LCH	lch(46.41, 21.05, 243.40°)
OKLab	oklab(53.41% -0.0414 -0.0523)
OKLCH	oklch(53.41% 0.067 231.6)
XYZ	xyz(13.2981, 15.5710, 27.4989)
Luminance	0.1557 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42748D #8D5B42

analogous

#428D80 #42748D #424E8D

triadic

#42748D #8D4274 #748D42

tetradic

#42748D #80428D #8D5B42 #4E8D42

square

#42748D #80428D #8D5B42 #4E8D42

split-complementary

#42748D #8D424E #8D8042

monochromatic

#1B2F3A #2E5263 #42748D #5A95B2 #84B0C5

Accessibility & contrast

On white

5.10

#42748D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#42748D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42748D

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42748D	#FFFFFF	#000000	##FFFFFF
##42748D	1.00	5.10	4.11	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68738E

Deuteranopia (green-blind)

#5D6A8D

Tritanopia (blue-blind)

#157B7C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #42748d;
/* rgb */ color: rgb(66, 116, 141);
/* oklch */ color: oklch(53.4% 0.067 231.6);

Tailwind

colors: {
  custom: {
    50: '#7c9cae',
    500: '#42748d',
    950: '#000000',
  },
}

SCSS

$custom: #42748d;
$custom-light: #7c9cae;
$custom-dark: #000000;

JSON

{
  "hex": "#42748d",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 141
  },
  "hsl": {
    "h": 200,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.53407,
    "c": 0.06674,
    "h": 231.6
  },
  "luminance": 0.15572
}

Semantic roles & 50–950 ramp

primary

#42748D

secondary

#B08C7B

accent

#815CCC

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #42748D

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

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