#256E9A#256E9A

#256E9A is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.4% C 0.099 H 239.7°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#256E9A
RGB	rgb(37, 110, 154)
HSL	hsl(203, 61%, 37%)
HSV	hsv(203, 76%, 60%)
CMYK	cmyk(76%, 28.6%, 0%, 39.6%)
CIE-LAB	lab(44.06, -6.85, -30.26)
CIE-LCH	lch(44.06, 31.02, 257.24°)
OKLab	oklab(51.43% -0.05 -0.0855)
OKLCH	oklch(51.43% 0.099 239.7)
XYZ	xyz(12.1693, 13.8769, 32.6027)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256E9A #9A5125

analogous

#259A8C #256E9A #25339A

triadic

#256E9A #9A256E #6E9A25

tetradic

#256E9A #8C259A #9A5125 #339A25

square

#256E9A #8C259A #9A5125 #339A25

split-complementary

#256E9A #9A2533 #9A8C25

monochromatic

#0D2837 #194B69 #256E9A #3191CB #60ACD9

Accessibility & contrast

On white

5.56

#256E9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#256E9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E9A

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256E9A	#FFFFFF	#000000	##FFFFFF
##256E9A	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596E9C

Deuteranopia (green-blind)

#496399

Tritanopia (blue-blind)

#00797D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #256e9a;
/* rgb */ color: rgb(37, 110, 154);
/* oklch */ color: oklch(51.4% 0.099 239.7);

Tailwind

colors: {
  custom: {
    50: '#7197b8',
    500: '#256e9a',
    950: '#000000',
  },
}

SCSS

$custom: #256e9a;
$custom-light: #7197b8;
$custom-dark: #000000;

JSON

{
  "hex": "#256e9a",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 154
  },
  "hsl": {
    "h": 202.564,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.51433,
    "c": 0.09907,
    "h": 239.7
  },
  "luminance": 0.13878
}

Semantic roles & 50–950 ramp

primary

#256E9A

secondary

#BE815D

accent

#8043E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #256E9A

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

Preview Lab → · Contrast checker → · Palette generator →