#256E7B#256E7B

#256E7B is a mid, moderate teal. Relative luminance 0.130; OKLCH L 49.9% C 0.073 H 211.6°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#256E7B
RGB	rgb(37, 110, 123)
HSL	hsl(189, 54%, 31%)
HSV	hsv(189, 70%, 48%)
CMYK	cmyk(69.9%, 10.6%, 0%, 51.8%)
CIE-LAB	lab(42.72, -17.77, -13.78)
CIE-LCH	lch(42.72, 22.49, 217.80°)
OKLab	oklab(49.93% -0.0622 -0.0383)
OKLCH	oklch(49.93% 0.073 211.6)
XYZ	xyz(9.9125, 12.9741, 20.7169)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256E7B #7B3225

analogous

#257B5D #256E7B #25437B

triadic

#256E7B #7B256E #6E7B25

tetradic

#256E7B #5D257B #7B3225 #437B25

square

#256E7B #5D257B #7B3225 #437B25

split-complementary

#256E7B #7B2543 #7B5D25

monochromatic

#091A1D #17444C #256E7B #3398AA #50B8CA

Accessibility & contrast

On white

5.84

#256E7B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#256E7B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256E7B

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256E7B	#FFFFFF	#000000	##FFFFFF
##256E7B	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#646A7C

Deuteranopia (green-blind)

#57617B

Tritanopia (blue-blind)

#007372

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #256e7b;
/* rgb */ color: rgb(37, 110, 123);
/* oklch */ color: oklch(49.9% 0.073 211.6);

Tailwind

colors: {
  custom: {
    50: '#6c97a1',
    500: '#256e7b',
    950: '#000000',
  },
}

SCSS

$custom: #256e7b;
$custom-light: #6c97a1;
$custom-dark: #000000;

JSON

{
  "hex": "#256e7b",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 123
  },
  "hsl": {
    "h": 189.07,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.49929,
    "c": 0.07303,
    "h": 211.6
  },
  "luminance": 0.12975
}

Semantic roles & 50–950 ramp

primary

#256E7B

secondary

#AD5D4F

accent

#614BDD

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#070D0E

muted

#7A7E7E

Preview Lab

Preview with #256E7B

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

Preview Lab → · Contrast checker → · Palette generator →