#256CA8#256CA8

#256CA8 is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.7% C 0.118 H 248.1°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#256CA8
RGB	rgb(37, 108, 168)
HSL	hsl(207, 64%, 40%)
HSV	hsv(207, 78%, 66%)
CMYK	cmyk(78%, 35.7%, 0%, 34.1%)
CIE-LAB	lab(44.15, -0.41, -38.37)
CIE-LCH	lch(44.15, 38.37, 269.39°)
OKLab	oklab(51.74% -0.0438 -0.1092)
OKLCH	oklch(51.74% 0.118 248.1)
XYZ	xyz(13.1907, 13.9440, 39.0345)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256CA8 #A86125

analogous

#25A8A2 #256CA8 #252BA8

triadic

#256CA8 #A8256C #6CA825

tetradic

#256CA8 #A225A8 #A86125 #2BA825

square

#256CA8 #A225A8 #A86125 #2BA825

split-complementary

#256CA8 #A8252B #A8A225

monochromatic

#0F2C44 #1A4C76 #256CA8 #378CD3 #69A9DE

Accessibility & contrast

On white

5.54

#256CA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#256CA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256CA8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256CA8	#FFFFFF	#000000	##FFFFFF
##256CA8	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506FAB

Deuteranopia (green-blind)

#3D63A7

Tritanopia (blue-blind)

#007A82

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #256ca8;
/* rgb */ color: rgb(37, 108, 168);
/* oklch */ color: oklch(51.7% 0.118 248.1);

Tailwind

colors: {
  custom: {
    50: '#7395c2',
    500: '#256ca8',
    950: '#000000',
  },
}

SCSS

$custom: #256ca8;
$custom-light: #7395c2;
$custom-dark: #000000;

JSON

{
  "hex": "#256ca8",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 168
  },
  "hsl": {
    "h": 207.481,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51743,
    "c": 0.11762,
    "h": 248.1
  },
  "luminance": 0.13946
}

Semantic roles & 50–950 ramp

primary

#256CA8

secondary

#C49065

accent

#8D41E7

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256CA8

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

Preview Lab → · Contrast checker → · Palette generator →