#256C9F#256C9F

#256C9F is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.2% C 0.106 H 244.1°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#256C9F
RGB	rgb(37, 108, 159)
HSL	hsl(205, 62%, 38%)
HSV	hsv(205, 77%, 62%)
CMYK	cmyk(76.7%, 32.1%, 0%, 37.6%)
CIE-LAB	lab(43.68, -3.79, -33.80)
CIE-LCH	lch(43.68, 34.01, 263.59°)
OKLab	oklab(51.22% -0.0464 -0.0958)
OKLCH	oklch(51.22% 0.107 244.1)
XYZ	xyz(12.3811, 13.6202, 34.7706)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256C9F #9F5825

analogous

#259F95 #256C9F #252F9F

triadic

#256C9F #9F256C #6C9F25

tetradic

#256C9F #95259F #9F5825 #2F9F25

square

#256C9F #95259F #9F5825 #2F9F25

split-complementary

#256C9F #9F252F #9F9525

monochromatic

#0E293C #194A6D #256C9F #328DCF #64A9DB

Accessibility & contrast

On white

5.64

#256C9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#256C9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C9F

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256C9F	#FFFFFF	#000000	##FFFFFF
##256C9F	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546EA1

Deuteranopia (green-blind)

#43629E

Tritanopia (blue-blind)

#00787E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #256c9f;
/* rgb */ color: rgb(37, 108, 159);
/* oklch */ color: oklch(51.2% 0.106 244.1);

Tailwind

colors: {
  custom: {
    50: '#7195bb',
    500: '#256c9f',
    950: '#000000',
  },
}

SCSS

$custom: #256c9f;
$custom-light: #7195bb;
$custom-dark: #000000;

JSON

{
  "hex": "#256c9f",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 159
  },
  "hsl": {
    "h": 205.082,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.51219,
    "c": 0.1065,
    "h": 244.1
  },
  "luminance": 0.13622
}

Semantic roles & 50–950 ramp

primary

#256C9F

secondary

#C0885F

accent

#8742E5

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256C9F

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

Preview Lab → · Contrast checker → · Palette generator →