#256F8B#256F8B

#256F8B is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 50.9% C 0.083 H 227.3°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#256F8B
RGB	rgb(37, 111, 139)
HSL	hsl(196, 58%, 35%)
HSV	hsv(196, 73%, 55%)
CMYK	cmyk(73.4%, 20.1%, 0%, 45.5%)
CIE-LAB	lab(43.69, -12.85, -21.90)
CIE-LCH	lch(43.69, 25.39, 239.61°)
OKLab	oklab(50.92% -0.0566 -0.0614)
OKLCH	oklch(50.92% 0.083 227.3)
XYZ	xyz(11.1057, 13.6250, 26.4657)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256F8B #8B4125

analogous

#258B74 #256F8B #253C8B

triadic

#256F8B #8B256F #6F8B25

tetradic

#256F8B #74258B #8B4125 #3C8B25

square

#256F8B #74258B #8B4125 #3C8B25

split-complementary

#256F8B #8B253C #8B7425

monochromatic

#0B222A #18485B #256F8B #3296BB #58B1D3

Accessibility & contrast

On white

5.64

#256F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#256F8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256F8B

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256F8B	#FFFFFF	#000000	##FFFFFF
##256F8B	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606D8C

Deuteranopia (green-blind)

#52638B

Tritanopia (blue-blind)

#007778

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #256f8b;
/* rgb */ color: rgb(37, 111, 139);
/* oklch */ color: oklch(50.9% 0.083 227.3);

Tailwind

colors: {
  custom: {
    50: '#6e98ad',
    500: '#256f8b',
    950: '#000000',
  },
}

SCSS

$custom: #256f8b;
$custom-light: #6e98ad;
$custom-dark: #000000;

JSON

{
  "hex": "#256f8b",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 139
  },
  "hsl": {
    "h": 196.471,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.50918,
    "c": 0.08348,
    "h": 227.3
  },
  "luminance": 0.13626
}

Semantic roles & 50–950 ramp

primary

#256F8B

secondary

#B77055

accent

#7147E1

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #256F8B

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

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