#256AB2#256AB2

#256AB2 is a mid, vivid cyan. Relative luminance 0.139; OKLCH L 51.9% C 0.133 H 252.7°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#256AB2
RGB	rgb(37, 106, 178)
HSL	hsl(211, 66%, 42%)
HSV	hsv(211, 79%, 70%)
CMYK	cmyk(79.2%, 40.4%, 0%, 30.2%)
CIE-LAB	lab(44.11, 4.65, -44.30)
CIE-LCH	lch(44.11, 44.54, 275.99°)
OKLab	oklab(51.89% -0.0394 -0.1266)
OKLCH	oklch(51.89% 0.133 252.7)
XYZ	xyz(13.9498, 13.9141, 44.0613)
Luminance	0.1392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256AB2 #B26D25

analogous

#25B1B2 #256AB2 #2625B2

triadic

#256AB2 #B2256A #6AB225

tetradic

#256AB2 #B225B1 #B26D25 #25B226

square

#256AB2 #B225B1 #B26D25 #25B226

split-complementary

#256AB2 #B22625 #B1B225

monochromatic

#102E4D #1A4C7F #256AB2 #3D88D7 #70A7E1

Accessibility & contrast

On white

5.55

#256AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#256AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256AB2

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256AB2	#FFFFFF	#000000	##FFFFFF
##256AB2	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476FB5

Deuteranopia (green-blind)

#3062B1

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #256ab2;
/* rgb */ color: rgb(37, 106, 178);
/* oklch */ color: oklch(51.9% 0.133 252.7);

Tailwind

colors: {
  custom: {
    50: '#7594c9',
    500: '#256ab2',
    950: '#000000',
  },
}

SCSS

$custom: #256ab2;
$custom-light: #7594c9;
$custom-dark: #000000;

JSON

{
  "hex": "#256ab2",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 178
  },
  "hsl": {
    "h": 210.638,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5189,
    "c": 0.13258,
    "h": 252.7
  },
  "luminance": 0.13916
}

Semantic roles & 50–950 ramp

primary

#256AB2

secondary

#C89A6B

accent

#963FE9

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256AB2

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

Preview Lab → · Contrast checker → · Palette generator →