#256F81#256F81

#256F81 is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.5% C 0.076 H 217.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#256F81
RGB	rgb(37, 111, 129)
HSL	hsl(192, 55%, 33%)
HSV	hsv(192, 71%, 51%)
CMYK	cmyk(71.3%, 14%, 0%, 49.4%)
CIE-LAB	lab(43.28, -16.31, -16.54)
CIE-LCH	lch(43.28, 23.23, 225.42°)
OKLab	oklab(50.45% -0.0607 -0.0461)
OKLCH	oklch(50.45% 0.076 217.2)
XYZ	xyz(10.4082, 13.3460, 22.7921)
Luminance	0.1335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256F81 #813725

analogous

#258165 #256F81 #254181

triadic

#256F81 #81256F #6F8125

tetradic

#256F81 #652581 #813725 #418125

square

#256F81 #652581 #813725 #418125

split-complementary

#256F81 #812541 #816525

monochromatic

#0A1D22 #174651 #256F81 #3398B1 #53B6CE

Accessibility & contrast

On white

5.72

#256F81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#256F81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256F81

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256F81	#FFFFFF	#000000	##FFFFFF
##256F81	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636C82

Deuteranopia (green-blind)

#566281

Tritanopia (blue-blind)

#007575

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #256f81;
/* rgb */ color: rgb(37, 111, 129);
/* oklch */ color: oklch(50.5% 0.076 217.2);

Tailwind

colors: {
  custom: {
    50: '#6d98a5',
    500: '#256f81',
    950: '#000000',
  },
}

SCSS

$custom: #256f81;
$custom-light: #6d98a5;
$custom-dark: #000000;

JSON

{
  "hex": "#256f81",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 129
  },
  "hsl": {
    "h": 191.739,
    "s": 55.422,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50453,
    "c": 0.07621,
    "h": 217.2
  },
  "luminance": 0.13347
}

Semantic roles & 50–950 ramp

primary

#256F81

secondary

#B26350

accent

#6649DF

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #256F81

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

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