#256B63#256B63

#256B63 is a mid, moderate teal. Relative luminance 0.118; OKLCH L 48.2% C 0.070 H 184.6°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#256B63
RGB	rgb(37, 107, 99)
HSL	hsl(173, 49%, 28%)
HSV	hsv(173, 65%, 42%)
CMYK	cmyk(65.4%, 0%, 7.5%, 58%)
CIE-LAB	lab(40.91, -23.73, -1.96)
CIE-LCH	lch(40.91, 23.81, 184.73°)
OKLab	oklab(48.19% -0.0701 -0.0057)
OKLCH	oklch(48.19% 0.07 184.6)
XYZ	xyz(8.2717, 11.8087, 13.6453)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256B63 #6B252D

analogous

#256B40 #256B63 #25506B

triadic

#256B63 #63256B #6B6325

tetradic

#256B63 #40256B #6B252D #506B25

square

#256B63 #40256B #6B252D #506B25

split-complementary

#256B63 #6B2550 #6B4025

monochromatic

#081715 #153E39 #256B63 #35988D #4AC0B3

Accessibility & contrast

On white

6.25

#256B63 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#256B63 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B63

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256B63	#FFFFFF	#000000	##FFFFFF
##256B63	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666563

Deuteranopia (green-blind)

#5B5D64

Tritanopia (blue-blind)

#006D68

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #256b63;
/* rgb */ color: rgb(37, 107, 99);
/* oklch */ color: oklch(48.2% 0.070 184.6);

Tailwind

colors: {
  custom: {
    50: '#69968f',
    500: '#256b63',
    950: '#000000',
  },
}

SCSS

$custom: #256b63;
$custom-light: #69968f;
$custom-dark: #000000;

JSON

{
  "hex": "#256b63",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 99
  },
  "hsl": {
    "h": 173.143,
    "s": 48.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.4819,
    "c": 0.07029,
    "h": 184.6
  },
  "luminance": 0.1181
}

Semantic roles & 50–950 ramp

primary

#256B63

secondary

#9E4E57

accent

#505FD8

background

#F6F9F8

surface

#EBF2F0

border

#C6CCCB

text

#070D0C

muted

#7A7E7D

Preview Lab

Preview with #256B63

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

Preview Lab → · Contrast checker → · Palette generator →