#42657F#42657F

#42657F is a mid, muted cyan. Relative luminance 0.120; OKLCH L 49.1% C 0.058 H 241.6°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#42657F
RGB	rgb(66, 101, 127)
HSL	hsl(206, 32%, 38%)
HSV	hsv(206, 48%, 50%)
CMYK	cmyk(48%, 20.5%, 0%, 50.2%)
CIE-LAB	lab(41.21, -4.95, -18.41)
CIE-LCH	lch(41.21, 19.06, 254.95°)
OKLab	oklab(49.1% -0.0277 -0.0511)
OKLCH	oklch(49.1% 0.058 241.6)
XYZ	xyz(10.7299, 11.9972, 21.8248)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42657F #7F5C42

analogous

#427F7A #42657F #42467F

triadic

#42657F #7F4265 #657F42

tetradic

#42657F #7A427F #7F5C42 #467F42

square

#42657F #7A427F #7F5C42 #467F42

split-complementary

#42657F #7F4246 #7F7A42

monochromatic

#18252E #2D4557 #42657F #5785A7 #7FA2BC

Accessibility & contrast

On white

6.18

#42657F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#42657F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42657F

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42657F	#FFFFFF	#000000	##FFFFFF
##42657F	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6580

Deuteranopia (green-blind)

#525E7F

Tritanopia (blue-blind)

#276B6E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #42657f;
/* rgb */ color: rgb(66, 101, 127);
/* oklch */ color: oklch(49.1% 0.058 241.6);

Tailwind

colors: {
  custom: {
    50: '#7a90a4',
    500: '#42657f',
    950: '#000000',
  },
}

SCSS

$custom: #42657f;
$custom-light: #7a90a4;
$custom-dark: #000000;

JSON

{
  "hex": "#42657f",
  "rgb": {
    "r": 66,
    "g": 101,
    "b": 127
  },
  "hsl": {
    "h": 205.574,
    "s": 31.606,
    "l": 37.843
  },
  "oklch": {
    "l": 0.49103,
    "c": 0.05814,
    "h": 241.6
  },
  "luminance": 0.11998
}

Semantic roles & 50–950 ramp

primary

#42657F

secondary

#A78B75

accent

#8C60C8

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#090C0F

muted

#7B7D7F

Preview Lab

Preview with #42657F

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

Preview Lab → · Contrast checker → · Palette generator →