#256C88#256C88

#256C88 is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.0% C 0.082 H 228.2°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#256C88
RGB	rgb(37, 108, 136)
HSL	hsl(197, 57%, 34%)
HSV	hsv(197, 73%, 53%)
CMYK	cmyk(72.8%, 20.6%, 0%, 46.7%)
CIE-LAB	lab(42.60, -12.18, -21.78)
CIE-LCH	lch(42.60, 24.96, 240.79°)
OKLab	oklab(50.01% -0.0546 -0.0611)
OKLCH	oklch(50.01% 0.082 228.2)
XYZ	xyz(10.5677, 12.8948, 25.2198)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256C88 #884125

analogous

#258873 #256C88 #253B88

triadic

#256C88 #88256C #6C8825

tetradic

#256C88 #732588 #884125 #3B8825

square

#256C88 #732588 #884125 #3B8825

split-complementary

#256C88 #88253B #887325

monochromatic

#0B2028 #184658 #256C88 #3292B8 #56AED1

Accessibility & contrast

On white

5.87

#256C88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#256C88 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C88

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256C88	#FFFFFF	#000000	##FFFFFF
##256C88	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6A89

Deuteranopia (green-blind)

#506088

Tritanopia (blue-blind)

#007475

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #256c88;
/* rgb */ color: rgb(37, 108, 136);
/* oklch */ color: oklch(50.0% 0.082 228.2);

Tailwind

colors: {
  custom: {
    50: '#6d96aa',
    500: '#256c88',
    950: '#000000',
  },
}

SCSS

$custom: #256c88;
$custom-light: #6d96aa;
$custom-dark: #000000;

JSON

{
  "hex": "#256c88",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 136
  },
  "hsl": {
    "h": 196.97,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.50007,
    "c": 0.08188,
    "h": 228.2
  },
  "luminance": 0.12896
}

Semantic roles & 50–950 ramp

primary

#256C88

secondary

#B66F53

accent

#7347E0

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #256C88

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

Preview Lab → · Contrast checker → · Palette generator →