#256B9F#256B9F

#256B9F is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 51.0% C 0.107 H 244.9°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#256B9F
RGB	rgb(37, 107, 159)
HSL	hsl(206, 62%, 38%)
HSV	hsv(206, 77%, 62%)
CMYK	cmyk(76.7%, 32.7%, 0%, 37.6%)
CIE-LAB	lab(43.38, -3.19, -34.29)
CIE-LCH	lch(43.38, 34.43, 264.69°)
OKLab	oklab(50.98% -0.0455 -0.0973)
OKLCH	oklch(50.98% 0.107 244.9)
XYZ	xyz(12.2762, 13.4105, 34.7356)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256B9F #9F5925

analogous

#259F96 #256B9F #252E9F

triadic

#256B9F #9F256B #6B9F25

tetradic

#256B9F #96259F #9F5925 #2E9F25

square

#256B9F #96259F #9F5925 #2E9F25

split-complementary

#256B9F #9F252E #9F9625

monochromatic

#0E283C #194A6D #256B9F #328CCF #64A8DB

Accessibility & contrast

On white

5.70

#256B9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#256B9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B9F

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256B9F	#FFFFFF	#000000	##FFFFFF
##256B9F	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536DA1

Deuteranopia (green-blind)

#42619E

Tritanopia (blue-blind)

#00787E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #256b9f;
/* rgb */ color: rgb(37, 107, 159);
/* oklch */ color: oklch(51.0% 0.107 244.9);

Tailwind

colors: {
  custom: {
    50: '#7195bb',
    500: '#256b9f',
    950: '#000000',
  },
}

SCSS

$custom: #256b9f;
$custom-light: #7195bb;
$custom-dark: #000000;

JSON

{
  "hex": "#256b9f",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 159
  },
  "hsl": {
    "h": 205.574,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.50976,
    "c": 0.10738,
    "h": 244.9
  },
  "luminance": 0.13412
}

Semantic roles & 50–950 ramp

primary

#256B9F

secondary

#C0895F

accent

#8842E5

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256B9F

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

Preview Lab → · Contrast checker → · Palette generator →