#256F7F#256F7F

#256F7F is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.4% C 0.075 H 215.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#256F7F
RGB	rgb(37, 111, 127)
HSL	hsl(191, 55%, 32%)
HSV	hsv(191, 71%, 50%)
CMYK	cmyk(70.9%, 12.6%, 0%, 50.2%)
CIE-LAB	lab(43.20, -16.98, -15.46)
CIE-LCH	lch(43.20, 22.97, 222.32°)
OKLab	oklab(50.36% -0.0615 -0.043)
OKLCH	oklch(50.36% 0.075 215)
XYZ	xyz(10.2766, 13.2933, 22.0988)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256F7F #7F3525

analogous

#257F62 #256F7F #25427F

triadic

#256F7F #7F256F #6F7F25

tetradic

#256F7F #62257F #7F3525 #427F25

square

#256F7F #62257F #7F3525 #427F25

split-complementary

#256F7F #7F2542 #7F6225

monochromatic

#091C20 #174650 #256F7F #3398AE #52B7CD

Accessibility & contrast

On white

5.74

#256F7F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#256F7F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256F7F

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256F7F	#FFFFFF	#000000	##FFFFFF
##256F7F	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646B80

Deuteranopia (green-blind)

#57627F

Tritanopia (blue-blind)

#007574

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #256f7f;
/* rgb */ color: rgb(37, 111, 127);
/* oklch */ color: oklch(50.4% 0.075 215.0);

Tailwind

colors: {
  custom: {
    50: '#6c98a4',
    500: '#256f7f',
    950: '#000000',
  },
}

SCSS

$custom: #256f7f;
$custom-light: #6c98a4;
$custom-dark: #000000;

JSON

{
  "hex": "#256f7f",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 127
  },
  "hsl": {
    "h": 190.667,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.50364,
    "c": 0.0751,
    "h": 215
  },
  "luminance": 0.13294
}

Semantic roles & 50–950 ramp

primary

#256F7F

secondary

#B1604F

accent

#644ADE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #256F7F

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

Preview Lab → · Contrast checker → · Palette generator →