#256BB2#256BB2

#256BB2 is a mid, vivid cyan. Relative luminance 0.141; OKLCH L 52.1% C 0.131 H 252.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#256BB2
RGB	rgb(37, 107, 178)
HSL	hsl(210, 66%, 42%)
HSV	hsv(210, 79%, 70%)
CMYK	cmyk(79.2%, 39.9%, 0%, 30.2%)
CIE-LAB	lab(44.41, 4.02, -43.82)
CIE-LCH	lch(44.41, 44.01, 275.24°)
OKLab	oklab(52.12% -0.0403 -0.1252)
OKLCH	oklch(52.12% 0.131 252.2)
XYZ	xyz(14.0535, 14.1214, 44.0959)
Luminance	0.1412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256BB2 #B26C25

analogous

#25B1B2 #256BB2 #2625B2

triadic

#256BB2 #B2256B #6BB225

tetradic

#256BB2 #B225B1 #B26C25 #25B226

square

#256BB2 #B225B1 #B26C25 #25B226

split-complementary

#256BB2 #B22625 #B1B225

monochromatic

#102E4D #1A4D7F #256BB2 #3D8AD7 #70A8E1

Accessibility & contrast

On white

5.49

#256BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#256BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256BB2

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256BB2	#FFFFFF	#000000	##FFFFFF
##256BB2	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4970B5

Deuteranopia (green-blind)

#3263B1

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #256bb2;
/* rgb */ color: rgb(37, 107, 178);
/* oklch */ color: oklch(52.1% 0.131 252.2);

Tailwind

colors: {
  custom: {
    50: '#7594c9',
    500: '#256bb2',
    950: '#000000',
  },
}

SCSS

$custom: #256bb2;
$custom-light: #7594c9;
$custom-dark: #000000;

JSON

{
  "hex": "#256bb2",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 178
  },
  "hsl": {
    "h": 210.213,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52122,
    "c": 0.13149,
    "h": 252.2
  },
  "luminance": 0.14123
}

Semantic roles & 50–950 ramp

primary

#256BB2

secondary

#C89A6B

accent

#953FE9

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256BB2

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

Preview Lab → · Contrast checker → · Palette generator →