#256F9B#256F9B

#256F9B is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.7% C 0.099 H 239.4°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#256F9B
RGB	rgb(37, 111, 155)
HSL	hsl(202, 61%, 38%)
HSV	hsv(202, 76%, 61%)
CMYK	cmyk(76.1%, 28.4%, 0%, 39.2%)
CIE-LAB	lab(44.41, -7.08, -30.29)
CIE-LCH	lch(44.41, 31.10, 256.84°)
OKLab	oklab(51.73% -0.0507 -0.0856)
OKLCH	oklch(51.73% 0.099 239.4)
XYZ	xyz(12.3615, 14.1273, 33.0793)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256F9B #9B5125

analogous

#259B8C #256F9B #25349B

triadic

#256F9B #9B256F #6F9B25

tetradic

#256F9B #8C259B #9B5125 #349B25

square

#256F9B #8C259B #9B5125 #349B25

split-complementary

#256F9B #9B2534 #9B8C25

monochromatic

#0D2838 #194C6A #256F9B #3192CC #61ACD9

Accessibility & contrast

On white

5.49

#256F9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#256F9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256F9B

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256F9B	#FFFFFF	#000000	##FFFFFF
##256F9B	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6F9D

Deuteranopia (green-blind)

#4A649A

Tritanopia (blue-blind)

#007A7E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #256f9b;
/* rgb */ color: rgb(37, 111, 155);
/* oklch */ color: oklch(51.7% 0.099 239.4);

Tailwind

colors: {
  custom: {
    50: '#7198b8',
    500: '#256f9b',
    950: '#000000',
  },
}

SCSS

$custom: #256f9b;
$custom-light: #7198b8;
$custom-dark: #000000;

JSON

{
  "hex": "#256f9b",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 155
  },
  "hsl": {
    "h": 202.373,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.51734,
    "c": 0.09948,
    "h": 239.4
  },
  "luminance": 0.14129
}

Semantic roles & 50–950 ramp

primary

#256F9B

secondary

#BF825D

accent

#7F43E5

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #256F9B

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

Preview Lab → · Contrast checker → · Palette generator →