#256699#256699

#256699 is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.4% C 0.104 H 246.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#256699
RGB	rgb(37, 102, 153)
HSL	hsl(206, 61%, 37%)
HSV	hsv(206, 76%, 60%)
CMYK	cmyk(75.8%, 33.3%, 0%, 40%)
CIE-LAB	lab(41.52, -2.37, -33.64)
CIE-LCH	lch(41.52, 33.73, 265.98°)
OKLab	oklab(49.42% -0.0424 -0.0955)
OKLCH	oklch(49.42% 0.104 246)
XYZ	xyz(11.2619, 12.1947, 31.8911)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256699 #995825

analogous

#259992 #256699 #252C99

triadic

#256699 #992566 #669925

tetradic

#256699 #922599 #995825 #2C9925

square

#256699 #922599 #995825 #2C9925

split-complementary

#256699 #99252C #999225

monochromatic

#0D2436 #194568 #256699 #3187CA #60A3D9

Accessibility & contrast

On white

6.11

#256699 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#256699 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256699

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256699	#FFFFFF	#000000	##FFFFFF
##256699	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F689B

Deuteranopia (green-blind)

#3E5D98

Tritanopia (blue-blind)

#007278

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #256699;
/* rgb */ color: rgb(37, 102, 153);
/* oklch */ color: oklch(49.4% 0.104 246.0);

Tailwind

colors: {
  custom: {
    50: '#7091b7',
    500: '#256699',
    950: '#000000',
  },
}

SCSS

$custom: #256699;
$custom-light: #7091b7;
$custom-dark: #000000;

JSON

{
  "hex": "#256699",
  "rgb": {
    "r": 37,
    "g": 102,
    "b": 153
  },
  "hsl": {
    "h": 206.379,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.49415,
    "c": 0.10446,
    "h": 246
  },
  "luminance": 0.12196
}

Semantic roles & 50–950 ramp

primary

#256699

secondary

#BE875C

accent

#8A44E4

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #256699

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

Preview Lab → · Contrast checker → · Palette generator →