#256171#256171

#256171 is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.1% C 0.066 H 218.4°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#256171
RGB	rgb(37, 97, 113)
HSL	hsl(193, 51%, 29%)
HSV	hsv(193, 67%, 44%)
CMYK	cmyk(67.3%, 14.2%, 0%, 55.7%)
CIE-LAB	lab(38.08, -13.83, -14.77)
CIE-LCH	lch(38.08, 20.24, 226.88°)
OKLab	oklab(46.07% -0.0518 -0.0411)
OKLCH	oklch(46.07% 0.066 218.4)
XYZ	xyz(8.0171, 10.1341, 17.1532)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256171 #713525

analogous

#25715B #256171 #253B71

triadic

#256171 #712561 #617125

tetradic

#256171 #5B2571 #713525 #3B7125

square

#256171 #5B2571 #713525 #3B7125

split-complementary

#256171 #71253B #715B25

monochromatic

#081417 #163943 #256171 #34899F #4CABC4

Accessibility & contrast

On white

6.94

#256171 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#256171 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256171

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256171	#FFFFFF	#000000	##FFFFFF
##256171	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575E72

Deuteranopia (green-blind)

#4C5671

Tritanopia (blue-blind)

#006666

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #256171;
/* rgb */ color: rgb(37, 97, 113);
/* oklch */ color: oklch(46.1% 0.066 218.4);

Tailwind

colors: {
  custom: {
    50: '#698e99',
    500: '#256171',
    950: '#000000',
  },
}

SCSS

$custom: #256171;
$custom-light: #698e99;
$custom-dark: #000000;

JSON

{
  "hex": "#256171",
  "rgb": {
    "r": 37,
    "g": 97,
    "b": 113
  },
  "hsl": {
    "h": 192.632,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.4607,
    "c": 0.06612,
    "h": 218.4
  },
  "luminance": 0.10135
}

Semantic roles & 50–950 ramp

primary

#256171

secondary

#A4604E

accent

#6B4EDA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #256171

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

Preview Lab → · Contrast checker → · Palette generator →