#256C8A#256C8A

#256C8A is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.1% C 0.084 H 230.0°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#256C8A
RGB	rgb(37, 108, 138)
HSL	hsl(198, 58%, 34%)
HSV	hsv(198, 73%, 54%)
CMYK	cmyk(73.2%, 21.7%, 0%, 45.9%)
CIE-LAB	lab(42.69, -11.47, -22.85)
CIE-LCH	lch(42.69, 25.57, 243.35°)
OKLab	oklab(50.11% -0.0538 -0.0641)
OKLCH	oklch(50.11% 0.084 230)
XYZ	xyz(10.7111, 12.9522, 25.9753)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256C8A #8A4325

analogous

#258A76 #256C8A #253A8A

triadic

#256C8A #8A256C #6C8A25

tetradic

#256C8A #76258A #8A4325 #3A8A25

square

#256C8A #76258A #8A4325 #3A8A25

split-complementary

#256C8A #8A253A #8A7625

monochromatic

#0B2029 #18465A #256C8A #3292BA #57AED2

Accessibility & contrast

On white

5.85

#256C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#256C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C8A

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256C8A	#FFFFFF	#000000	##FFFFFF
##256C8A	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6A8B

Deuteranopia (green-blind)

#4F608A

Tritanopia (blue-blind)

#007476

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #256c8a;
/* rgb */ color: rgb(37, 108, 138);
/* oklch */ color: oklch(50.1% 0.084 230.0);

Tailwind

colors: {
  custom: {
    50: '#6e96ac',
    500: '#256c8a',
    950: '#000000',
  },
}

SCSS

$custom: #256c8a;
$custom-light: #6e96ac;
$custom-dark: #000000;

JSON

{
  "hex": "#256c8a",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 138
  },
  "hsl": {
    "h": 197.822,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.50105,
    "c": 0.08369,
    "h": 230
  },
  "luminance": 0.12953
}

Semantic roles & 50–950 ramp

primary

#256C8A

secondary

#B77154

accent

#7547E1

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #256C8A

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

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