#42748A#42748A

#42748A is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.3% C 0.064 H 228.3°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#42748A
RGB	rgb(66, 116, 138)
HSL	hsl(198, 35%, 40%)
HSV	hsv(198, 52%, 54%)
CMYK	cmyk(52.2%, 15.9%, 0%, 45.9%)
CIE-LAB	lab(46.29, -10.36, -17.22)
CIE-LCH	lch(46.29, 20.10, 238.98°)
OKLab	oklab(53.27% -0.0426 -0.0478)
OKLCH	oklch(53.27% 0.064 228.3)
XYZ	xyz(13.0779, 15.4829, 26.3392)
Luminance	0.1548 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42748A #8A5842

analogous

#428A7C #42748A #42508A

triadic

#42748A #8A4274 #748A42

tetradic

#42748A #7C428A #8A5842 #508A42

square

#42748A #7C428A #8A5842 #508A42

split-complementary

#42748A #8A4250 #8A7C42

monochromatic

#1A2E37 #2E5161 #42748A #5995B0 #83B0C4

Accessibility & contrast

On white

5.13

#42748A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#42748A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42748A

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42748A	#FFFFFF	#000000	##FFFFFF
##42748A	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69728B

Deuteranopia (green-blind)

#5E6A8A

Tritanopia (blue-blind)

#197A7B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #42748a;
/* rgb */ color: rgb(66, 116, 138);
/* oklch */ color: oklch(53.3% 0.064 228.3);

Tailwind

colors: {
  custom: {
    50: '#7c9cac',
    500: '#42748a',
    950: '#000000',
  },
}

SCSS

$custom: #42748a;
$custom-light: #7c9cac;
$custom-dark: #000000;

JSON

{
  "hex": "#42748a",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 138
  },
  "hsl": {
    "h": 198.333,
    "s": 35.294,
    "l": 40
  },
  "oklch": {
    "l": 0.53274,
    "c": 0.06403,
    "h": 228.3
  },
  "luminance": 0.15484
}

Semantic roles & 50–950 ramp

primary

#42748A

secondary

#AE8A79

accent

#7E5CCB

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #42748A

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

Preview Lab → · Contrast checker → · Palette generator →