#256C8F#256C8F

#256C8F is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.4% C 0.089 H 234.1°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#256C8F
RGB	rgb(37, 108, 143)
HSL	hsl(200, 59%, 35%)
HSV	hsv(200, 74%, 56%)
CMYK	cmyk(74.1%, 24.5%, 0%, 43.9%)
CIE-LAB	lab(42.91, -9.68, -25.49)
CIE-LCH	lch(42.91, 27.27, 249.21°)
OKLab	oklab(50.36% -0.0519 -0.0717)
OKLCH	oklch(50.36% 0.089 234.1)
XYZ	xyz(11.0815, 13.1003, 27.9259)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256C8F #8F4825

analogous

#258F7D #256C8F #25378F

triadic

#256C8F #8F256C #6C8F25

tetradic

#256C8F #7D258F #8F4825 #378F25

square

#256C8F #7D258F #8F4825 #378F25

split-complementary

#256C8F #8F2537 #8F7D25

monochromatic

#0C232E #18475E #256C8F #3291C0 #5AACD4

Accessibility & contrast

On white

5.80

#256C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#256C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C8F

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256C8F	#FFFFFF	#000000	##FFFFFF
##256C8F	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6B91

Deuteranopia (green-blind)

#4D618E

Tritanopia (blue-blind)

#007578

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #256c8f;
/* rgb */ color: rgb(37, 108, 143);
/* oklch */ color: oklch(50.4% 0.089 234.1);

Tailwind

colors: {
  custom: {
    50: '#6f96b0',
    500: '#256c8f',
    950: '#000000',
  },
}

SCSS

$custom: #256c8f;
$custom-light: #6f96b0;
$custom-dark: #000000;

JSON

{
  "hex": "#256c8f",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 143
  },
  "hsl": {
    "h": 199.811,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.50356,
    "c": 0.08853,
    "h": 234.1
  },
  "luminance": 0.13102
}

Semantic roles & 50–950 ramp

primary

#256C8F

secondary

#B97757

accent

#7946E2

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #256C8F

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

Preview Lab → · Contrast checker → · Palette generator →