#256DAD#256DAD

#256DAD is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.3% C 0.123 H 249.4°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#256DAD
RGB	rgb(37, 109, 173)
HSL	hsl(208, 65%, 41%)
HSV	hsv(208, 79%, 68%)
CMYK	cmyk(78.6%, 37%, 0%, 32.2%)
CIE-LAB	lab(44.73, 0.87, -40.39)
CIE-LCH	lch(44.73, 40.40, 271.23°)
OKLab	oklab(52.28% -0.0433 -0.1151)
OKLCH	oklch(52.28% 0.123 249.4)
XYZ	xyz(13.7715, 14.3461, 41.5703)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256DAD #AD6525

analogous

#25ADA9 #256DAD #2529AD

triadic

#256DAD #AD256D #6DAD25

tetradic

#256DAD #A925AD #AD6525 #29AD25

square

#256DAD #A925AD #AD6525 #29AD25

split-complementary

#256DAD #AD2529 #ADA925

monochromatic

#0F2D48 #1A4D7B #256DAD #3A8CD5 #6DAAE0

Accessibility & contrast

On white

5.43

#256DAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#256DAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256DAD

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256DAD	#FFFFFF	#000000	##FFFFFF
##256DAD	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F71B0

Deuteranopia (green-blind)

#3B64AC

Tritanopia (blue-blind)

#007C85

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #256dad;
/* rgb */ color: rgb(37, 109, 173);
/* oklch */ color: oklch(52.3% 0.123 249.4);

Tailwind

colors: {
  custom: {
    50: '#7496c6',
    500: '#256dad',
    950: '#000000',
  },
}

SCSS

$custom: #256dad;
$custom-light: #7496c6;
$custom-dark: #000000;

JSON

{
  "hex": "#256dad",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 173
  },
  "hsl": {
    "h": 208.235,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.52281,
    "c": 0.12297,
    "h": 249.4
  },
  "luminance": 0.14348
}

Semantic roles & 50–950 ramp

primary

#256DAD

secondary

#C69468

accent

#8F40E8

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256DAD

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

Preview Lab → · Contrast checker → · Palette generator →