#256D5B#256D5B

#256D5B is a mid, moderate teal. Relative luminance 0.121; OKLCH L 48.5% C 0.077 H 173.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#256D5B
RGB	rgb(37, 109, 91)
HSL	hsl(165, 49%, 29%)
HSV	hsv(165, 66%, 43%)
CMYK	cmyk(66.1%, 0%, 16.5%, 57.3%)
CIE-LAB	lab(41.35, -27.00, 3.53)
CIE-LCH	lch(41.35, 27.23, 172.56°)
OKLab	oklab(48.47% -0.0765 0.0089)
OKLCH	oklch(48.47% 0.077 173.4)
XYZ	xyz(8.1190, 12.0851, 11.8003)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256D5B #6D2537

analogous

#256D37 #256D5B #255B6D

triadic

#256D5B #5B256D #6D5B25

tetradic

#256D5B #37256D #6D2537 #5B6D25

square

#256D5B #37256D #6D2537 #5B6D25

split-complementary

#256D5B #6D255B #6D3725

monochromatic

#081713 #153F35 #256D5B #359B81 #4BC2A4

Accessibility & contrast

On white

6.15

#256D5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#256D5B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256D5B

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256D5B	#FFFFFF	#000000	##FFFFFF
##256D5B	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69665A

Deuteranopia (green-blind)

#5F5E5C

Tritanopia (blue-blind)

#006E68

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #256d5b;
/* rgb */ color: rgb(37, 109, 91);
/* oklch */ color: oklch(48.5% 0.077 173.4);

Tailwind

colors: {
  custom: {
    50: '#699789',
    500: '#256d5b',
    950: '#000000',
  },
}

SCSS

$custom: #256d5b;
$custom-light: #699789;
$custom-dark: #000000;

JSON

{
  "hex": "#256d5b",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 91
  },
  "hsl": {
    "h": 165,
    "s": 49.315,
    "l": 28.627
  },
  "oklch": {
    "l": 0.48471,
    "c": 0.07698,
    "h": 173.4
  },
  "luminance": 0.12086
}

Semantic roles & 50–950 ramp

primary

#256D5B

secondary

#A04E62

accent

#4F71D9

background

#F6F9F8

surface

#EBF2F0

border

#C6CCCB

text

#070D0B

muted

#7A7E7C

Preview Lab

Preview with #256D5B

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

Preview Lab → · Contrast checker → · Palette generator →