#256AAD#256AAD

#256AAD is a mid, vivid cyan. Relative luminance 0.137; OKLCH L 51.6% C 0.126 H 251.2°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#256AAD
RGB	rgb(37, 106, 173)
HSL	hsl(210, 65%, 41%)
HSV	hsv(210, 79%, 68%)
CMYK	cmyk(78.6%, 38.7%, 0%, 32.2%)
CIE-LAB	lab(43.82, 2.74, -41.82)
CIE-LCH	lch(43.82, 41.91, 273.74°)
OKLab	oklab(51.58% -0.0406 -0.1193)
OKLCH	oklch(51.58% 0.126 251.2)
XYZ	xyz(13.4570, 13.7169, 41.4655)
Luminance	0.1372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256AAD #AD6825

analogous

#25ADAC #256AAD #2526AD

triadic

#256AAD #AD256A #6AAD25

tetradic

#256AAD #AC25AD #AD6825 #26AD25

square

#256AAD #AC25AD #AD6825 #26AD25

split-complementary

#256AAD #AD2526 #ADAC25

monochromatic

#0F2C48 #1A4B7B #256AAD #3A89D5 #6DA7E0

Accessibility & contrast

On white

5.61

#256AAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#256AAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256AAD

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256AAD	#FFFFFF	#000000	##FFFFFF
##256AAD	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A6EB0

Deuteranopia (green-blind)

#3562AC

Tritanopia (blue-blind)

#007A83

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #256aad;
/* rgb */ color: rgb(37, 106, 173);
/* oklch */ color: oklch(51.6% 0.126 251.2);

Tailwind

colors: {
  custom: {
    50: '#7494c6',
    500: '#256aad',
    950: '#000000',
  },
}

SCSS

$custom: #256aad;
$custom-light: #7494c6;
$custom-dark: #000000;

JSON

{
  "hex": "#256aad",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 173
  },
  "hsl": {
    "h": 209.559,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.51575,
    "c": 0.12605,
    "h": 251.2
  },
  "luminance": 0.13719
}

Semantic roles & 50–950 ramp

primary

#256AAD

secondary

#C69668

accent

#9340E8

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256AAD

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

Preview Lab → · Contrast checker → · Palette generator →