#256FB1#256FB1

#256FB1 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.0% C 0.126 H 249.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#256FB1
RGB	rgb(37, 111, 177)
HSL	hsl(208, 65%, 42%)
HSV	hsv(208, 79%, 69%)
CMYK	cmyk(79.1%, 37.3%, 0%, 30.6%)
CIE-LAB	lab(45.54, 1.15, -41.43)
CIE-LCH	lch(45.54, 41.44, 271.59°)
OKLab	oklab(53% -0.0441 -0.1181)
OKLCH	oklch(53% 0.126 249.5)
XYZ	xyz(14.3802, 14.9348, 43.7113)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256FB1 #B16725

analogous

#25B1AD #256FB1 #2529B1

triadic

#256FB1 #B1256F #6FB125

tetradic

#256FB1 #AD25B1 #B16725 #29B125

square

#256FB1 #AD25B1 #B16725 #29B125

split-complementary

#256FB1 #B12529 #B1AD25

monochromatic

#10304C #1A4F7E #256FB1 #3D8ED6 #6FABE1

Accessibility & contrast

On white

5.27

#256FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#256FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256FB1

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256FB1	#FFFFFF	#000000	##FFFFFF
##256FB1	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5073B4

Deuteranopia (green-blind)

#3B66B0

Tritanopia (blue-blind)

#007F87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #256fb1;
/* rgb */ color: rgb(37, 111, 177);
/* oklch */ color: oklch(53.0% 0.126 249.5);

Tailwind

colors: {
  custom: {
    50: '#7597c8',
    500: '#256fb1',
    950: '#000000',
  },
}

SCSS

$custom: #256fb1;
$custom-light: #7597c8;
$custom-dark: #000000;

JSON

{
  "hex": "#256fb1",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 177
  },
  "hsl": {
    "h": 208.286,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.52995,
    "c": 0.12604,
    "h": 249.5
  },
  "luminance": 0.14937
}

Semantic roles & 50–950 ramp

primary

#256FB1

secondary

#C8966A

accent

#8F3FE8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256FB1

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

Preview Lab → · Contrast checker → · Palette generator →