#256E81#256E81

#256E81 is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.2% C 0.076 H 218.6°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#256E81
RGB	rgb(37, 110, 129)
HSL	hsl(192, 55%, 33%)
HSV	hsv(192, 71%, 51%)
CMYK	cmyk(71.3%, 14.7%, 0%, 49.4%)
CIE-LAB	lab(42.96, -15.75, -17.04)
CIE-LCH	lch(42.96, 23.20, 227.26°)
OKLab	oklab(50.19% -0.0596 -0.0475)
OKLCH	oklch(50.19% 0.076 218.6)
XYZ	xyz(10.2997, 13.1290, 22.7560)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256E81 #813825

analogous

#258166 #256E81 #254081

triadic

#256E81 #81256E #6E8125

tetradic

#256E81 #662581 #813825 #408125

square

#256E81 #662581 #813825 #408125

split-complementary

#256E81 #812540 #816625

monochromatic

#0A1D22 #174551 #256E81 #3397B1 #53B4CE

Accessibility & contrast

On white

5.79

#256E81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#256E81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E81

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256E81	#FFFFFF	#000000	##FFFFFF
##256E81	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626B82

Deuteranopia (green-blind)

#556181

Tritanopia (blue-blind)

#007474

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #256e81;
/* rgb */ color: rgb(37, 110, 129);
/* oklch */ color: oklch(50.2% 0.076 218.6);

Tailwind

colors: {
  custom: {
    50: '#6d97a5',
    500: '#256e81',
    950: '#000000',
  },
}

SCSS

$custom: #256e81;
$custom-light: #6d97a5;
$custom-dark: #000000;

JSON

{
  "hex": "#256e81",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 129
  },
  "hsl": {
    "h": 192.391,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50194,
    "c": 0.0762,
    "h": 218.6
  },
  "luminance": 0.1313
}

Semantic roles & 50–950 ramp

primary

#256E81

secondary

#B26450

accent

#6849DF

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #256E81

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

Preview Lab → · Contrast checker → · Palette generator →