#256371#256371

#256371 is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.6% C 0.066 H 215.3°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#256371
RGB	rgb(37, 99, 113)
HSL	hsl(191, 51%, 29%)
HSV	hsv(191, 67%, 44%)
CMYK	cmyk(67.3%, 12.4%, 0%, 55.7%)
CIE-LAB	lab(38.74, -14.98, -13.77)
CIE-LCH	lch(38.74, 20.34, 222.59°)
OKLab	oklab(46.6% -0.0541 -0.0383)
OKLCH	oklch(46.6% 0.066 215.3)
XYZ	xyz(8.2042, 10.5084, 17.2155)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256371 #713325

analogous

#257159 #256371 #253D71

triadic

#256371 #712563 #637125

tetradic

#256371 #592571 #713325 #3D7125

square

#256371 #592571 #713325 #3D7125

split-complementary

#256371 #71253D #715925

monochromatic

#081417 #163B43 #256371 #348B9F #4CAEC4

Accessibility & contrast

On white

6.77

#256371 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#256371 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256371

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256371	#FFFFFF	#000000	##FFFFFF
##256371	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596072

Deuteranopia (green-blind)

#4E5871

Tritanopia (blue-blind)

#006867

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #256371;
/* rgb */ color: rgb(37, 99, 113);
/* oklch */ color: oklch(46.6% 0.066 215.3);

Tailwind

colors: {
  custom: {
    50: '#698f99',
    500: '#256371',
    950: '#000000',
  },
}

SCSS

$custom: #256371;
$custom-light: #698f99;
$custom-dark: #000000;

JSON

{
  "hex": "#256371",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 113
  },
  "hsl": {
    "h": 191.053,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.46598,
    "c": 0.06627,
    "h": 215.3
  },
  "luminance": 0.10509
}

Semantic roles & 50–950 ramp

primary

#256371

secondary

#A45E4E

accent

#684EDA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #256371

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

Preview Lab → · Contrast checker → · Palette generator →