#256B9C#256B9C

#256B9C is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.8% C 0.104 H 243.4°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#256B9C
RGB	rgb(37, 107, 156)
HSL	hsl(205, 62%, 38%)
HSV	hsv(205, 76%, 61%)
CMYK	cmyk(76.3%, 31.4%, 0%, 38.8%)
CIE-LAB	lab(43.22, -4.31, -32.75)
CIE-LCH	lch(43.22, 33.03, 262.51°)
OKLab	oklab(50.81% -0.0464 -0.0928)
OKLCH	oklch(50.81% 0.104 243.4)
XYZ	xyz(12.0191, 13.3076, 33.3812)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256B9C #9C5625

analogous

#259C91 #256B9C #252F9C

triadic

#256B9C #9C256B #6B9C25

tetradic

#256B9C #91259C #9C5625 #2F9C25

square

#256B9C #91259C #9C5625 #2F9C25

split-complementary

#256B9C #9C252F #9C9125

monochromatic

#0E2739 #19496B #256B9C #318DCD #62A8DA

Accessibility & contrast

On white

5.73

#256B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#256B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B9C

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256B9C	#FFFFFF	#000000	##FFFFFF
##256B9C	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546C9E

Deuteranopia (green-blind)

#44619B

Tritanopia (blue-blind)

#00777C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #256b9c;
/* rgb */ color: rgb(37, 107, 156);
/* oklch */ color: oklch(50.8% 0.104 243.4);

Tailwind

colors: {
  custom: {
    50: '#7195b9',
    500: '#256b9c',
    950: '#000000',
  },
}

SCSS

$custom: #256b9c;
$custom-light: #7195b9;
$custom-dark: #000000;

JSON

{
  "hex": "#256b9c",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 156
  },
  "hsl": {
    "h": 204.706,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.50806,
    "c": 0.10375,
    "h": 243.4
  },
  "luminance": 0.13309
}

Semantic roles & 50–950 ramp

primary

#256B9C

secondary

#BF865E

accent

#8643E5

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #256B9C

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

Preview Lab → · Contrast checker → · Palette generator →