#256A7B#256A7B

#256A7B is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 48.9% C 0.073 H 217.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#256A7B
RGB	rgb(37, 106, 123)
HSL	hsl(192, 54%, 31%)
HSV	hsv(192, 70%, 48%)
CMYK	cmyk(69.9%, 13.8%, 0%, 51.8%)
CIE-LAB	lab(41.42, -15.55, -15.77)
CIE-LCH	lch(41.42, 22.14, 225.40°)
OKLab	oklab(48.88% -0.0577 -0.0439)
OKLCH	oklch(48.88% 0.073 217.3)
XYZ	xyz(9.4907, 12.1304, 20.5763)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256A7B #7B3625

analogous

#257B61 #256A7B #253F7B

triadic

#256A7B #7B256A #6A7B25

tetradic

#256A7B #61257B #7B3625 #3F7B25

square

#256A7B #61257B #7B3625 #3F7B25

split-complementary

#256A7B #7B253F #7B6125

monochromatic

#09191D #17414C #256A7B #3393AA #50B2CA

Accessibility & contrast

On white

6.13

#256A7B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#256A7B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256A7B

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256A7B	#FFFFFF	#000000	##FFFFFF
##256A7B	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F677C

Deuteranopia (green-blind)

#535E7B

Tritanopia (blue-blind)

#00706F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #256a7b;
/* rgb */ color: rgb(37, 106, 123);
/* oklch */ color: oklch(48.9% 0.073 217.3);

Tailwind

colors: {
  custom: {
    50: '#6b94a1',
    500: '#256a7b',
    950: '#000000',
  },
}

SCSS

$custom: #256a7b;
$custom-light: #6b94a1;
$custom-dark: #000000;

JSON

{
  "hex": "#256a7b",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 123
  },
  "hsl": {
    "h": 191.86,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.48883,
    "c": 0.07252,
    "h": 217.3
  },
  "luminance": 0.12131
}

Semantic roles & 50–950 ramp

primary

#256A7B

secondary

#AD614F

accent

#684BDD

background

#F6F9F9

surface

#ECF1F2

border

#C7CBCC

text

#070D0F

muted

#7A7E7E

Preview Lab

Preview with #256A7B

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

Preview Lab → · Contrast checker → · Palette generator →