#256373#256373

#256373 is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.7% C 0.067 H 217.9°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#256373
RGB	rgb(37, 99, 115)
HSL	hsl(192, 51%, 30%)
HSV	hsv(192, 68%, 45%)
CMYK	cmyk(67.8%, 13.9%, 0%, 54.9%)
CIE-LAB	lab(38.82, -14.30, -14.87)
CIE-LCH	lch(38.82, 20.63, 226.13°)
OKLab	oklab(46.69% -0.0532 -0.0414)
OKLCH	oklch(46.69% 0.067 217.9)
XYZ	xyz(8.3180, 10.5539, 17.8151)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256373 #733525

analogous

#25735C #256373 #253C73

triadic

#256373 #732563 #637325

tetradic

#256373 #5C2573 #733525 #3C7325

square

#256373 #5C2573 #733525 #3C7325

split-complementary

#256373 #73253C #735C25

monochromatic

#071417 #163B45 #256373 #348BA1 #4DADC6

Accessibility & contrast

On white

6.75

#256373 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#256373 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256373

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256373	#FFFFFF	#000000	##FFFFFF
##256373	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596074

Deuteranopia (green-blind)

#4D5873

Tritanopia (blue-blind)

#006968

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #256373;
/* rgb */ color: rgb(37, 99, 115);
/* oklch */ color: oklch(46.7% 0.067 217.9);

Tailwind

colors: {
  custom: {
    50: '#6a8f9b',
    500: '#256373',
    950: '#000000',
  },
}

SCSS

$custom: #256373;
$custom-light: #6a8f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#256373",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 115
  },
  "hsl": {
    "h": 192.308,
    "s": 51.316,
    "l": 29.804
  },
  "oklch": {
    "l": 0.46688,
    "c": 0.06743,
    "h": 217.9
  },
  "luminance": 0.10555
}

Semantic roles & 50–950 ramp

primary

#256373

secondary

#A6604E

accent

#6A4DDB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #256373

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

Preview Lab → · Contrast checker → · Palette generator →