#256A9B#256A9B

#256A9B is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.5% C 0.103 H 243.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#256A9B
RGB	rgb(37, 106, 155)
HSL	hsl(205, 61%, 38%)
HSV	hsv(205, 76%, 61%)
CMYK	cmyk(76.1%, 31.6%, 0%, 39.2%)
CIE-LAB	lab(42.86, -4.07, -32.72)
CIE-LCH	lch(42.86, 32.97, 262.91°)
OKLab	oklab(50.51% -0.0457 -0.0927)
OKLCH	oklch(50.51% 0.103 243.7)
XYZ	xyz(11.8311, 13.0666, 32.9026)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256A9B #9B5625

analogous

#259B91 #256A9B #252F9B

triadic

#256A9B #9B256A #6A9B25

tetradic

#256A9B #91259B #9B5625 #2F9B25

square

#256A9B #91259B #9B5625 #2F9B25

split-complementary

#256A9B #9B252F #9B9125

monochromatic

#0D2638 #19486A #256A9B #318CCC #61A7D9

Accessibility & contrast

On white

5.81

#256A9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#256A9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256A9B

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256A9B	#FFFFFF	#000000	##FFFFFF
##256A9B	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536B9D

Deuteranopia (green-blind)

#43609A

Tritanopia (blue-blind)

#00767B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #256a9b;
/* rgb */ color: rgb(37, 106, 155);
/* oklch */ color: oklch(50.5% 0.103 243.7);

Tailwind

colors: {
  custom: {
    50: '#7194b8',
    500: '#256a9b',
    950: '#000000',
  },
}

SCSS

$custom: #256a9b;
$custom-light: #7194b8;
$custom-dark: #000000;

JSON

{
  "hex": "#256a9b",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 155
  },
  "hsl": {
    "h": 204.915,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.50505,
    "c": 0.10339,
    "h": 243.7
  },
  "luminance": 0.13068
}

Semantic roles & 50–950 ramp

primary

#256A9B

secondary

#BF865D

accent

#8643E5

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #256A9B

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

Preview Lab → · Contrast checker → · Palette generator →