#256381#256381

#256381 is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.4% C 0.079 H 233.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#256381
RGB	rgb(37, 99, 129)
HSL	hsl(200, 55%, 33%)
HSV	hsv(200, 71%, 51%)
CMYK	cmyk(71.3%, 23.3%, 0%, 49.4%)
CIE-LAB	lab(39.41, -9.40, -22.50)
CIE-LCH	lch(39.41, 24.38, 247.33°)
OKLab	oklab(47.36% -0.0475 -0.0632)
OKLCH	oklch(47.36% 0.079 233)
XYZ	xyz(9.1857, 10.9010, 22.3846)
Luminance	0.1090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256381 #814325

analogous

#258171 #256381 #253581

triadic

#256381 #812563 #638125

tetradic

#256381 #712581 #814325 #358125

square

#256381 #712581 #814325 #358125

split-complementary

#256381 #812535 #817125

monochromatic

#0A1A22 #173F51 #256381 #3387B1 #53A6CE

Accessibility & contrast

On white

6.60

#256381 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#256381 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256381

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256381	#FFFFFF	#000000	##FFFFFF
##256381	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546282

Deuteranopia (green-blind)

#485981

Tritanopia (blue-blind)

#006B6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #256381;
/* rgb */ color: rgb(37, 99, 129);
/* oklch */ color: oklch(47.4% 0.079 233.0);

Tailwind

colors: {
  custom: {
    50: '#6c8fa5',
    500: '#256381',
    950: '#000000',
  },
}

SCSS

$custom: #256381;
$custom-light: #6c8fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#256381",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 129
  },
  "hsl": {
    "h": 199.565,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.47359,
    "c": 0.07905,
    "h": 233
  },
  "luminance": 0.10902
}

Semantic roles & 50–950 ramp

primary

#256381

secondary

#B27050

accent

#7A49DF

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #256381

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

Preview Lab → · Contrast checker → · Palette generator →