#256E5B#256E5B

#256E5B is a mid, moderate teal. Relative luminance 0.123; OKLCH L 48.7% C 0.078 H 172.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#256E5B
RGB	rgb(37, 110, 91)
HSL	hsl(164, 50%, 29%)
HSV	hsv(164, 66%, 43%)
CMYK	cmyk(66.4%, 0%, 17.3%, 56.9%)
CIE-LAB	lab(41.69, -27.49, 4.01)
CIE-LCH	lch(41.69, 27.78, 171.70°)
OKLab	oklab(48.75% -0.0776 0.0102)
OKLCH	oklch(48.75% 0.078 172.5)
XYZ	xyz(8.2263, 12.2996, 11.8360)
Luminance	0.1230 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256E5B #6E2538

analogous

#256E37 #256E5B #255D6E

triadic

#256E5B #5B256E #6E5B25

tetradic

#256E5B #37256E #6E2538 #5D6E25

square

#256E5B #37256E #6E2538 #5D6E25

split-complementary

#256E5B #6E255D #6E3725

monochromatic

#081713 #164035 #256E5B #349C81 #4BC2A3

Accessibility & contrast

On white

6.07

#256E5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#256E5B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E5B

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256E5B	#FFFFFF	#000000	##FFFFFF
##256E5B	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A675A

Deuteranopia (green-blind)

#605F5C

Tritanopia (blue-blind)

#006F68

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #256e5b;
/* rgb */ color: rgb(37, 110, 91);
/* oklch */ color: oklch(48.7% 0.078 172.5);

Tailwind

colors: {
  custom: {
    50: '#699889',
    500: '#256e5b',
    950: '#000000',
  },
}

SCSS

$custom: #256e5b;
$custom-light: #699889;
$custom-dark: #000000;

JSON

{
  "hex": "#256e5b",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 91
  },
  "hsl": {
    "h": 164.384,
    "s": 49.66,
    "l": 28.824
  },
  "oklch": {
    "l": 0.48747,
    "c": 0.07829,
    "h": 172.5
  },
  "luminance": 0.12301
}

Semantic roles & 50–950 ramp

primary

#256E5B

secondary

#A14E64

accent

#4F73D9

background

#F6F9F8

surface

#EBF2F0

border

#C6CCCB

text

#070D0B

muted

#7A7E7C

Preview Lab

Preview with #256E5B

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

Preview Lab → · Contrast checker → · Palette generator →