#42657A#42657A

#42657A is a mid, muted cyan. Relative luminance 0.119; OKLCH L 48.9% C 0.053 H 235.7°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#42657A
RGB	rgb(66, 101, 122)
HSL	hsl(203, 30%, 37%)
HSV	hsv(203, 46%, 48%)
CMYK	cmyk(45.9%, 17.2%, 0%, 52.2%)
CIE-LAB	lab(41.01, -6.49, -15.68)
CIE-LCH	lch(41.01, 16.97, 247.53°)
OKLab	oklab(48.88% -0.0296 -0.0434)
OKLCH	oklch(48.88% 0.053 235.7)
XYZ	xyz(10.4121, 11.8700, 20.1511)
Luminance	0.1187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42657A #7A5742

analogous

#427A73 #42657A #42497A

triadic

#42657A #7A4265 #657A42

tetradic

#42657A #73427A #7A5742 #497A42

square

#42657A #73427A #7A5742 #497A42

split-complementary

#42657A #7A4249 #7A7342

monochromatic

#17232B #2D4452 #42657A #5786A2 #7DA3B9

Accessibility & contrast

On white

6.22

#42657A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#42657A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42657A

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42657A	#FFFFFF	#000000	##FFFFFF
##42657A	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B647B

Deuteranopia (green-blind)

#545E7A

Tritanopia (blue-blind)

#2A6B6C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #42657a;
/* rgb */ color: rgb(66, 101, 122);
/* oklch */ color: oklch(48.9% 0.053 235.7);

Tailwind

colors: {
  custom: {
    50: '#7990a0',
    500: '#42657a',
    950: '#000000',
  },
}

SCSS

$custom: #42657a;
$custom-light: #7990a0;
$custom-dark: #000000;

JSON

{
  "hex": "#42657a",
  "rgb": {
    "r": 66,
    "g": 101,
    "b": 122
  },
  "hsl": {
    "h": 202.5,
    "s": 29.787,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48875,
    "c": 0.05255,
    "h": 235.7
  },
  "luminance": 0.11871
}

Semantic roles & 50–950 ramp

primary

#42657A

secondary

#A48674

accent

#8762C6

background

#F7F8F9

surface

#EEF0F2

border

#C9CBCC

text

#090C0E

muted

#7B7D7E

Preview Lab

Preview with #42657A

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

Preview Lab → · Contrast checker → · Palette generator →