#256D7D#256D7D

#256D7D is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 49.8% C 0.074 H 215.4°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#256D7D
RGB	rgb(37, 109, 125)
HSL	hsl(191, 54%, 32%)
HSV	hsv(191, 70%, 49%)
CMYK	cmyk(70.4%, 12.8%, 0%, 51%)
CIE-LAB	lab(42.48, -16.55, -15.37)
CIE-LCH	lch(42.48, 22.58, 222.88°)
OKLab	oklab(49.76% -0.0602 -0.0428)
OKLCH	oklch(49.76% 0.074 215.4)
XYZ	xyz(9.9317, 12.8102, 21.3472)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256D7D #7D3525

analogous

#257D61 #256D7D #25417D

triadic

#256D7D #7D256D #6D7D25

tetradic

#256D7D #61257D #7D3525 #417D25

square

#256D7D #61257D #7D3525 #417D25

split-complementary

#256D7D #7D2541 #7D6125

monochromatic

#091B1F #17444E #256D7D #3396AC #51B5CB

Accessibility & contrast

On white

5.90

#256D7D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#256D7D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256D7D

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256D7D	#FFFFFF	#000000	##FFFFFF
##256D7D	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626A7E

Deuteranopia (green-blind)

#55607D

Tritanopia (blue-blind)

#007372

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #256d7d;
/* rgb */ color: rgb(37, 109, 125);
/* oklch */ color: oklch(49.8% 0.074 215.4);

Tailwind

colors: {
  custom: {
    50: '#6c97a2',
    500: '#256d7d',
    950: '#000000',
  },
}

SCSS

$custom: #256d7d;
$custom-light: #6c97a2;
$custom-dark: #000000;

JSON

{
  "hex": "#256d7d",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 125
  },
  "hsl": {
    "h": 190.909,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.49755,
    "c": 0.07384,
    "h": 215.4
  },
  "luminance": 0.12811
}

Semantic roles & 50–950 ramp

primary

#256D7D

secondary

#AF604F

accent

#654ADE

background

#F6F9FA

surface

#ECF2F3

border

#C7CCCD

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #256D7D

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

Preview Lab → · Contrast checker → · Palette generator →