#256E7E#256E7E

#256E7E is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.1% C 0.074 H 215.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#256E7E
RGB	rgb(37, 110, 126)
HSL	hsl(191, 55%, 32%)
HSV	hsv(191, 71%, 49%)
CMYK	cmyk(70.6%, 12.7%, 0%, 50.6%)
CIE-LAB	lab(42.84, -16.76, -15.41)
CIE-LCH	lch(42.84, 22.77, 222.60°)
OKLab	oklab(50.06% -0.0609 -0.0429)
OKLCH	oklch(50.06% 0.074 215.2)
XYZ	xyz(10.1032, 13.0504, 21.7211)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256E7E #7E3525

analogous

#257E62 #256E7E #25417E

triadic

#256E7E #7E256E #6E7E25

tetradic

#256E7E #62257E #7E3525 #417E25

square

#256E7E #62257E #7E3525 #417E25

split-complementary

#256E7E #7E2541 #7E6225

monochromatic

#091B1F #17454F #256E7E #3397AD #51B6CC

Accessibility & contrast

On white

5.82

#256E7E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#256E7E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E7E

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256E7E	#FFFFFF	#000000	##FFFFFF
##256E7E	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636A7F

Deuteranopia (green-blind)

#56617E

Tritanopia (blue-blind)

#007473

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #256e7e;
/* rgb */ color: rgb(37, 110, 126);
/* oklch */ color: oklch(50.1% 0.074 215.2);

Tailwind

colors: {
  custom: {
    50: '#6c97a3',
    500: '#256e7e',
    950: '#000000',
  },
}

SCSS

$custom: #256e7e;
$custom-light: #6c97a3;
$custom-dark: #000000;

JSON

{
  "hex": "#256e7e",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 126
  },
  "hsl": {
    "h": 190.787,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.5006,
    "c": 0.07447,
    "h": 215.2
  },
  "luminance": 0.13052
}

Semantic roles & 50–950 ramp

primary

#256E7E

secondary

#B0604F

accent

#644ADE

background

#F6F9FA

surface

#ECF2F3

border

#C7CCCD

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #256E7E

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

Preview Lab → · Contrast checker → · Palette generator →