#256EB1#256EB1

#256EB1 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.8% C 0.127 H 250.1°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#256EB1
RGB	rgb(37, 110, 177)
HSL	hsl(209, 65%, 42%)
HSV	hsv(209, 79%, 69%)
CMYK	cmyk(79.1%, 37.9%, 0%, 30.6%)
CIE-LAB	lab(45.25, 1.77, -41.90)
CIE-LCH	lch(45.25, 41.94, 272.42°)
OKLab	oklab(52.76% -0.0432 -0.1195)
OKLCH	oklch(52.76% 0.127 250.1)
XYZ	xyz(14.2717, 14.7178, 43.6751)
Luminance	0.1472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256EB1 #B16825

analogous

#25B1AE #256EB1 #2528B1

triadic

#256EB1 #B1256E #6EB125

tetradic

#256EB1 #AE25B1 #B16825 #28B125

square

#256EB1 #AE25B1 #B16825 #28B125

split-complementary

#256EB1 #B12528 #B1AE25

monochromatic

#102F4C #1A4F7E #256EB1 #3D8DD6 #6FABE1

Accessibility & contrast

On white

5.32

#256EB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#256EB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256EB1

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256EB1	#FFFFFF	#000000	##FFFFFF
##256EB1	1.00	5.32	3.94	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B4

Deuteranopia (green-blind)

#3965B0

Tritanopia (blue-blind)

#007E87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #256eb1;
/* rgb */ color: rgb(37, 110, 177);
/* oklch */ color: oklch(52.8% 0.127 250.1);

Tailwind

colors: {
  custom: {
    50: '#7597c9',
    500: '#256eb1',
    950: '#000000',
  },
}

SCSS

$custom: #256eb1;
$custom-light: #7597c9;
$custom-dark: #000000;

JSON

{
  "hex": "#256eb1",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 177
  },
  "hsl": {
    "h": 208.714,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5276,
    "c": 0.12706,
    "h": 250.1
  },
  "luminance": 0.1472
}

Semantic roles & 50–950 ramp

primary

#256EB1

secondary

#C8976A

accent

#903FE8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256EB1

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

Preview Lab → · Contrast checker → · Palette generator →