#256E7F#256E7F

#256E7F is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.1% C 0.075 H 216.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#256E7F
RGB	rgb(37, 110, 127)
HSL	hsl(191, 55%, 32%)
HSV	hsv(191, 71%, 50%)
CMYK	cmyk(70.9%, 13.4%, 0%, 50.2%)
CIE-LAB	lab(42.88, -16.43, -15.96)
CIE-LCH	lch(42.88, 22.90, 224.17°)
OKLab	oklab(50.1% -0.0604 -0.0445)
OKLCH	oklch(50.1% 0.075 216.3)
XYZ	xyz(10.1680, 13.0763, 22.0627)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256E7F #7F3625

analogous

#257F63 #256E7F #25417F

triadic

#256E7F #7F256E #6E7F25

tetradic

#256E7F #63257F #7F3625 #417F25

square

#256E7F #63257F #7F3625 #417F25

split-complementary

#256E7F #7F2541 #7F6325

monochromatic

#091C20 #174550 #256E7F #3397AE #52B5CD

Accessibility & contrast

On white

5.81

#256E7F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#256E7F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E7F

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256E7F	#FFFFFF	#000000	##FFFFFF
##256E7F	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636B80

Deuteranopia (green-blind)

#56617F

Tritanopia (blue-blind)

#007473

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #256e7f;
/* rgb */ color: rgb(37, 110, 127);
/* oklch */ color: oklch(50.1% 0.075 216.3);

Tailwind

colors: {
  custom: {
    50: '#6c97a4',
    500: '#256e7f',
    950: '#000000',
  },
}

SCSS

$custom: #256e7f;
$custom-light: #6c97a4;
$custom-dark: #000000;

JSON

{
  "hex": "#256e7f",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 127
  },
  "hsl": {
    "h": 191.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.50104,
    "c": 0.07502,
    "h": 216.3
  },
  "luminance": 0.13077
}

Semantic roles & 50–950 ramp

primary

#256E7F

secondary

#B1624F

accent

#664ADE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #256E7F

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

Preview Lab → · Contrast checker → · Palette generator →