#256B8A#256B8A

#256B8A is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.9% C 0.084 H 231.2°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#256B8A
RGB	rgb(37, 107, 138)
HSL	hsl(198, 58%, 34%)
HSV	hsv(198, 73%, 54%)
CMYK	cmyk(73.2%, 22.5%, 0%, 45.9%)
CIE-LAB	lab(42.37, -10.89, -23.34)
CIE-LCH	lch(42.37, 25.76, 245.00°)
OKLab	oklab(49.85% -0.0527 -0.0655)
OKLCH	oklch(49.85% 0.084 231.2)
XYZ	xyz(10.6063, 12.7425, 25.9404)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256B8A #8A4425

analogous

#258A77 #256B8A #25398A

triadic

#256B8A #8A256B #6B8A25

tetradic

#256B8A #77258A #8A4425 #398A25

square

#256B8A #77258A #8A4425 #398A25

split-complementary

#256B8A #8A2539 #8A7725

monochromatic

#0B2029 #18465A #256B8A #3290BA #57ACD2

Accessibility & contrast

On white

5.92

#256B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#256B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B8A

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256B8A	#FFFFFF	#000000	##FFFFFF
##256B8A	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6A8C

Deuteranopia (green-blind)

#4E608A

Tritanopia (blue-blind)

#007375

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #256b8a;
/* rgb */ color: rgb(37, 107, 138);
/* oklch */ color: oklch(49.9% 0.084 231.2);

Tailwind

colors: {
  custom: {
    50: '#6e95ac',
    500: '#256b8a',
    950: '#000000',
  },
}

SCSS

$custom: #256b8a;
$custom-light: #6e95ac;
$custom-dark: #000000;

JSON

{
  "hex": "#256b8a",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 138
  },
  "hsl": {
    "h": 198.416,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.49851,
    "c": 0.08411,
    "h": 231.2
  },
  "luminance": 0.12744
}

Semantic roles & 50–950 ramp

primary

#256B8A

secondary

#B77254

accent

#7647E1

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #256B8A

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

Preview Lab → · Contrast checker → · Palette generator →