#256D7B#256D7B

#256D7B is a mid, moderate teal. Relative luminance 0.128; OKLCH L 49.7% C 0.073 H 213.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#256D7B
RGB	rgb(37, 109, 123)
HSL	hsl(190, 54%, 31%)
HSV	hsv(190, 70%, 48%)
CMYK	cmyk(69.9%, 11.4%, 0%, 51.8%)
CIE-LAB	lab(42.40, -17.22, -14.28)
CIE-LCH	lch(42.40, 22.37, 219.67°)
OKLab	oklab(49.67% -0.0611 -0.0397)
OKLCH	oklch(49.67% 0.073 213)
XYZ	xyz(9.8052, 12.7596, 20.6811)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256D7B #7B3325

analogous

#257B5E #256D7B #25427B

triadic

#256D7B #7B256D #6D7B25

tetradic

#256D7B #5E257B #7B3325 #427B25

square

#256D7B #5E257B #7B3325 #427B25

split-complementary

#256D7B #7B2542 #7B5E25

monochromatic

#091A1D #17434C #256D7B #3397AA #50B6CA

Accessibility & contrast

On white

5.91

#256D7B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#256D7B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256D7B

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256D7B	#FFFFFF	#000000	##FFFFFF
##256D7B	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62697C

Deuteranopia (green-blind)

#56607B

Tritanopia (blue-blind)

#007371

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #256d7b;
/* rgb */ color: rgb(37, 109, 123);
/* oklch */ color: oklch(49.7% 0.073 213.0);

Tailwind

colors: {
  custom: {
    50: '#6c97a1',
    500: '#256d7b',
    950: '#000000',
  },
}

SCSS

$custom: #256d7b;
$custom-light: #6c97a1;
$custom-dark: #000000;

JSON

{
  "hex": "#256d7b",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 123
  },
  "hsl": {
    "h": 189.767,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.49667,
    "c": 0.07284,
    "h": 213
  },
  "luminance": 0.12761
}

Semantic roles & 50–950 ramp

primary

#256D7B

secondary

#AD5E4F

accent

#634BDD

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#070D0E

muted

#7A7E7E

Preview Lab

Preview with #256D7B

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

Preview Lab → · Contrast checker → · Palette generator →