#42647B#42647B

#42647B is a mid, muted cyan. Relative luminance 0.117; OKLCH L 48.7% C 0.054 H 238.9°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#42647B
RGB	rgb(66, 100, 123)
HSL	hsl(204, 30%, 37%)
HSV	hsv(204, 46%, 48%)
CMYK	cmyk(46.3%, 18.7%, 0%, 51.8%)
CIE-LAB	lab(40.74, -5.58, -16.71)
CIE-LCH	lch(40.74, 17.61, 251.52°)
OKLab	oklab(48.67% -0.0279 -0.0463)
OKLCH	oklch(48.67% 0.054 238.9)
XYZ	xyz(10.3779, 11.7019, 20.4469)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42647B #7B5942

analogous

#427B76 #42647B #42477B

triadic

#42647B #7B4264 #647B42

tetradic

#42647B #76427B #7B5942 #477B42

square

#42647B #76427B #7B5942 #477B42

split-complementary

#42647B #7B4247 #7B7642

monochromatic

#17232B #2D4453 #42647B #5784A3 #7EA1BA

Accessibility & contrast

On white

6.29

#42647B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#42647B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42647B

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42647B	#FFFFFF	#000000	##FFFFFF
##42647B	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A637C

Deuteranopia (green-blind)

#525D7B

Tritanopia (blue-blind)

#2A6A6C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #42647b;
/* rgb */ color: rgb(66, 100, 123);
/* oklch */ color: oklch(48.7% 0.054 238.9);

Tailwind

colors: {
  custom: {
    50: '#7990a1',
    500: '#42647b',
    950: '#000000',
  },
}

SCSS

$custom: #42647b;
$custom-light: #7990a1;
$custom-dark: #000000;

JSON

{
  "hex": "#42647b",
  "rgb": {
    "r": 66,
    "g": 100,
    "b": 123
  },
  "hsl": {
    "h": 204.211,
    "s": 30.159,
    "l": 37.059
  },
  "oklch": {
    "l": 0.48674,
    "c": 0.05405,
    "h": 238.9
  },
  "luminance": 0.11703
}

Semantic roles & 50–950 ramp

primary

#42647B

secondary

#A58874

accent

#8A61C6

background

#F7F8F9

surface

#EEF0F2

border

#C9CBCC

text

#090C0F

muted

#7B7D7E

Preview Lab

Preview with #42647B

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

Preview Lab → · Contrast checker → · Palette generator →