#256BA6#256BA6

#256BA6 is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.4% C 0.116 H 248.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#256BA6
RGB	rgb(37, 107, 166)
HSL	hsl(207, 64%, 40%)
HSV	hsv(207, 78%, 65%)
CMYK	cmyk(77.7%, 35.5%, 0%, 34.9%)
CIE-LAB	lab(43.74, -0.55, -37.84)
CIE-LCH	lch(43.74, 37.84, 269.17°)
OKLab	oklab(51.39% -0.0434 -0.1076)
OKLCH	oklch(51.39% 0.116 248)
XYZ	xyz(12.9009, 13.6604, 38.0258)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256BA6 #A66025

analogous

#25A6A1 #256BA6 #252AA6

triadic

#256BA6 #A6256B #6BA625

tetradic

#256BA6 #A125A6 #A66025 #2AA625

square

#256BA6 #A125A6 #A66025 #2AA625

split-complementary

#256BA6 #A6252A #A6A125

monochromatic

#0F2A42 #1A4B74 #256BA6 #368BD2 #68A8DD

Accessibility & contrast

On white

5.63

#256BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#256BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256BA6

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256BA6	#FFFFFF	#000000	##FFFFFF
##256BA6	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506EA8

Deuteranopia (green-blind)

#3D62A5

Tritanopia (blue-blind)

#007980

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #256ba6;
/* rgb */ color: rgb(37, 107, 166);
/* oklch */ color: oklch(51.4% 0.116 248.0);

Tailwind

colors: {
  custom: {
    50: '#7395c1',
    500: '#256ba6',
    950: '#000000',
  },
}

SCSS

$custom: #256ba6;
$custom-light: #7395c1;
$custom-dark: #000000;

JSON

{
  "hex": "#256ba6",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 166
  },
  "hsl": {
    "h": 207.442,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.51385,
    "c": 0.11607,
    "h": 248
  },
  "luminance": 0.13662
}

Semantic roles & 50–950 ramp

primary

#256BA6

secondary

#C38F64

accent

#8D41E7

background

#F7F9FB

surface

#EDF1F7

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256BA6

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

Preview Lab → · Contrast checker → · Palette generator →