#256B8D#256B8D

#256B8D is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.0% C 0.087 H 233.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#256B8D
RGB	rgb(37, 107, 141)
HSL	hsl(200, 58%, 35%)
HSV	hsv(200, 74%, 55%)
CMYK	cmyk(73.8%, 24.1%, 0%, 44.7%)
CIE-LAB	lab(42.51, -9.81, -24.93)
CIE-LCH	lch(42.51, 26.79, 248.52°)
OKLab	oklab(50% -0.0516 -0.0701)
OKLCH	oklch(50% 0.087 233.7)
XYZ	xyz(10.8265, 12.8306, 27.1001)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256B8D #8D4725

analogous

#258D7B #256B8D #25378D

triadic

#256B8D #8D256B #6B8D25

tetradic

#256B8D #7B258D #8D4725 #378D25

square

#256B8D #7B258D #8D4725 #378D25

split-complementary

#256B8D #8D2537 #8D7B25

monochromatic

#0C212C #18465D #256B8D #3290BD #59ABD3

Accessibility & contrast

On white

5.89

#256B8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#256B8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B8D

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256B8D	#FFFFFF	#000000	##FFFFFF
##256B8D	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6A8F

Deuteranopia (green-blind)

#4C608C

Tritanopia (blue-blind)

#007476

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #256b8d;
/* rgb */ color: rgb(37, 107, 141);
/* oklch */ color: oklch(50.0% 0.087 233.7);

Tailwind

colors: {
  custom: {
    50: '#6e95ae',
    500: '#256b8d',
    950: '#000000',
  },
}

SCSS

$custom: #256b8d;
$custom-light: #6e95ae;
$custom-dark: #000000;

JSON

{
  "hex": "#256b8d",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 141
  },
  "hsl": {
    "h": 199.615,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.50002,
    "c": 0.08705,
    "h": 233.7
  },
  "luminance": 0.12832
}

Semantic roles & 50–950 ramp

primary

#256B8D

secondary

#B87656

accent

#7946E2

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #256B8D

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

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