#256D7E#256D7E

#256D7E is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 49.8% C 0.074 H 216.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#256D7E
RGB	rgb(37, 109, 126)
HSL	hsl(191, 55%, 32%)
HSV	hsv(191, 71%, 49%)
CMYK	cmyk(70.6%, 13.5%, 0%, 50.6%)
CIE-LAB	lab(42.51, -16.21, -15.91)
CIE-LCH	lch(42.51, 22.71, 224.47°)
OKLab	oklab(49.8% -0.0598 -0.0443)
OKLCH	oklch(49.8% 0.074 216.6)
XYZ	xyz(9.9959, 12.8358, 21.6854)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256D7E #7E3625

analogous

#257E63 #256D7E #25417E

triadic

#256D7E #7E256D #6D7E25

tetradic

#256D7E #63257E #7E3625 #417E25

square

#256D7E #63257E #7E3625 #417E25

split-complementary

#256D7E #7E2541 #7E6325

monochromatic

#091B1F #17444F #256D7E #3396AD #51B5CC

Accessibility & contrast

On white

5.89

#256D7E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#256D7E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256D7E

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256D7E	#FFFFFF	#000000	##FFFFFF
##256D7E	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)

#626A7F

Deuteranopia (green-blind)

#55607E

Tritanopia (blue-blind)

#007372

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #256d7e;
/* rgb */ color: rgb(37, 109, 126);
/* oklch */ color: oklch(49.8% 0.074 216.6);

Tailwind

colors: {
  custom: {
    50: '#6c97a3',
    500: '#256d7e',
    950: '#000000',
  },
}

SCSS

$custom: #256d7e;
$custom-light: #6c97a3;
$custom-dark: #000000;

JSON

{
  "hex": "#256d7e",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 126
  },
  "hsl": {
    "h": 191.461,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.49799,
    "c": 0.0744,
    "h": 216.6
  },
  "luminance": 0.12837
}

Semantic roles & 50–950 ramp

primary

#256D7E

secondary

#B0614F

accent

#664ADE

background

#F6F9FA

surface

#ECF2F3

border

#C7CCCD

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #256D7E

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

Preview Lab → · Contrast checker → · Palette generator →