#256E6B#256E6B

#256E6B is a mid, moderate teal. Relative luminance 0.126; OKLCH L 49.3% C 0.071 H 191.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#256E6B
RGB	rgb(37, 110, 107)
HSL	hsl(178, 50%, 29%)
HSV	hsv(178, 66%, 43%)
CMYK	cmyk(66.4%, 0%, 2.7%, 56.9%)
CIE-LAB	lab(42.16, -22.88, -4.96)
CIE-LCH	lch(42.16, 23.41, 192.24°)
OKLab	oklab(49.29% -0.0696 -0.0138)
OKLCH	oklch(49.29% 0.071 191.2)
XYZ	xyz(8.9915, 12.6057, 15.8663)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256E6B #6E2528

analogous

#256E47 #256E6B #254D6E

triadic

#256E6B #6B256E #6E6B25

tetradic

#256E6B #47256E #6E2528 #4D6E25

square

#256E6B #47256E #6E2528 #4D6E25

split-complementary

#256E6B #6E254D #6E4725

monochromatic

#081716 #16403E #256E6B #349C98 #4BC2BE

Accessibility & contrast

On white

5.96

#256E6B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#256E6B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E6B

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256E6B	#FFFFFF	#000000	##FFFFFF
##256E6B	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67686B

Deuteranopia (green-blind)

#5C606C

Tritanopia (blue-blind)

#00716D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #256e6b;
/* rgb */ color: rgb(37, 110, 107);
/* oklch */ color: oklch(49.3% 0.071 191.2);

Tailwind

colors: {
  custom: {
    50: '#6a9895',
    500: '#256e6b',
    950: '#000000',
  },
}

SCSS

$custom: #256e6b;
$custom-light: #6a9895;
$custom-dark: #000000;

JSON

{
  "hex": "#256e6b",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 107
  },
  "hsl": {
    "h": 177.534,
    "s": 49.66,
    "l": 28.824
  },
  "oklch": {
    "l": 0.4929,
    "c": 0.07097,
    "h": 191.2
  },
  "luminance": 0.12607
}

Semantic roles & 50–950 ramp

primary

#256E6B

secondary

#A14E51

accent

#4F54D9

background

#F6F9F9

surface

#ECF2F1

border

#C7CCCB

text

#070D0D

muted

#7A7E7E

Preview Lab

Preview with #256E6B

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

Preview Lab → · Contrast checker → · Palette generator →