#256591#256591

#256591 is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.7% C 0.096 H 242.6°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#256591
RGB	rgb(37, 101, 145)
HSL	hsl(204, 59%, 36%)
HSV	hsv(204, 74%, 57%)
CMYK	cmyk(74.5%, 30.3%, 0%, 43.1%)
CIE-LAB	lab(40.81, -4.75, -29.99)
CIE-LCH	lch(40.81, 30.36, 261.01°)
OKLab	oklab(48.72% -0.044 -0.0848)
OKLCH	oklch(48.72% 0.096 242.6)
XYZ	xyz(10.5255, 11.7438, 28.4946)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256591 #915125

analogous

#259187 #256591 #252F91

triadic

#256591 #912565 #659125

tetradic

#256591 #872591 #915125 #2F9125

square

#256591 #872591 #915125 #2F9125

split-complementary

#256591 #91252F #918725

monochromatic

#0C212F #194360 #256591 #3187C2 #5BA3D5

Accessibility & contrast

On white

6.27

#256591 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#256591 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256591

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256591	#FFFFFF	#000000	##FFFFFF
##256591	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516693

Deuteranopia (green-blind)

#425C90

Tritanopia (blue-blind)

#007074

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #256591;
/* rgb */ color: rgb(37, 101, 145);
/* oklch */ color: oklch(48.7% 0.096 242.6);

Tailwind

colors: {
  custom: {
    50: '#6f90b1',
    500: '#256591',
    950: '#000000',
  },
}

SCSS

$custom: #256591;
$custom-light: #6f90b1;
$custom-dark: #000000;

JSON

{
  "hex": "#256591",
  "rgb": {
    "r": 37,
    "g": 101,
    "b": 145
  },
  "hsl": {
    "h": 204.444,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.48715,
    "c": 0.09553,
    "h": 242.6
  },
  "luminance": 0.11745
}

Semantic roles & 50–950 ramp

primary

#256591

secondary

#BA8058

accent

#8545E3

background

#F7F8FA

surface

#EDF0F5

border

#C8CBCF

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #256591

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

Preview Lab → · Contrast checker → · Palette generator →