#42657D#42657D

#42657D is a mid, muted cyan. Relative luminance 0.119; OKLCH L 49.0% C 0.056 H 239.4°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#42657D
RGB	rgb(66, 101, 125)
HSL	hsl(204, 31%, 37%)
HSV	hsv(204, 47%, 49%)
CMYK	cmyk(47.2%, 19.2%, 0%, 51%)
CIE-LAB	lab(41.13, -5.57, -17.32)
CIE-LCH	lch(41.13, 18.19, 252.18°)
OKLab	oklab(49.01% -0.0285 -0.048)
OKLCH	oklch(49.01% 0.056 239.4)
XYZ	xyz(10.6008, 11.9455, 21.1452)
Luminance	0.1195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42657D #7D5A42

analogous

#427D78 #42657D #42477D

triadic

#42657D #7D4265 #657D42

tetradic

#42657D #78427D #7D5A42 #477D42

square

#42657D #78427D #7D5A42 #477D42

split-complementary

#42657D #7D4247 #7D7842

monochromatic

#18242D #2D4555 #42657D #5785A5 #7EA2BB

Accessibility & contrast

On white

6.20

#42657D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#42657D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42657D

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42657D	#FFFFFF	#000000	##FFFFFF
##42657D	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A657E

Deuteranopia (green-blind)

#525E7D

Tritanopia (blue-blind)

#296B6D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #42657d;
/* rgb */ color: rgb(66, 101, 125);
/* oklch */ color: oklch(49.0% 0.056 239.4);

Tailwind

colors: {
  custom: {
    50: '#7a90a2',
    500: '#42657d',
    950: '#000000',
  },
}

SCSS

$custom: #42657d;
$custom-light: #7a90a2;
$custom-dark: #000000;

JSON

{
  "hex": "#42657d",
  "rgb": {
    "r": 66,
    "g": 101,
    "b": 125
  },
  "hsl": {
    "h": 204.407,
    "s": 30.89,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4901,
    "c": 0.05584,
    "h": 239.4
  },
  "luminance": 0.11946
}

Semantic roles & 50–950 ramp

primary

#42657D

secondary

#A68975

accent

#8A61C7

background

#F7F8FA

surface

#EEF0F3

border

#C9CBCD

text

#090C0F

muted

#7B7D7F

Preview Lab

Preview with #42657D

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

Preview Lab → · Contrast checker → · Palette generator →