#256C9A#256C9A

#256C9A is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 50.9% C 0.101 H 241.5°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#256C9A
RGB	rgb(37, 108, 154)
HSL	hsl(204, 61%, 37%)
HSV	hsv(204, 76%, 60%)
CMYK	cmyk(76%, 29.9%, 0%, 39.6%)
CIE-LAB	lab(43.43, -5.65, -31.23)
CIE-LCH	lch(43.43, 31.74, 259.74°)
OKLab	oklab(50.94% -0.048 -0.0884)
OKLCH	oklch(50.94% 0.101 241.5)
XYZ	xyz(11.9560, 13.4501, 32.5316)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256C9A #9A5325

analogous

#259A8E #256C9A #25319A

triadic

#256C9A #9A256C #6C9A25

tetradic

#256C9A #8E259A #9A5325 #319A25

square

#256C9A #8E259A #9A5325 #319A25

split-complementary

#256C9A #9A2531 #9A8E25

monochromatic

#0D2737 #194969 #256C9A #318FCB #60AAD9

Accessibility & contrast

On white

5.69

#256C9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#256C9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C9A

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256C9A	#FFFFFF	#000000	##FFFFFF
##256C9A	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576D9C

Deuteranopia (green-blind)

#476299

Tritanopia (blue-blind)

#00777C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #256c9a;
/* rgb */ color: rgb(37, 108, 154);
/* oklch */ color: oklch(50.9% 0.101 241.5);

Tailwind

colors: {
  custom: {
    50: '#7195b8',
    500: '#256c9a',
    950: '#000000',
  },
}

SCSS

$custom: #256c9a;
$custom-light: #7195b8;
$custom-dark: #000000;

JSON

{
  "hex": "#256c9a",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 154
  },
  "hsl": {
    "h": 203.59,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.5094,
    "c": 0.10058,
    "h": 241.5
  },
  "luminance": 0.13452
}

Semantic roles & 50–950 ramp

primary

#256C9A

secondary

#BE835D

accent

#8343E4

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #256C9A

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

Preview Lab → · Contrast checker → · Palette generator →