#256C9B#256C9B
#256C9B is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 51.0% C 0.102 H 242.0°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).
Color values
| HEX | #256C9B |
|---|---|
| RGB | rgb(37, 108, 155) |
| HSL | hsl(204, 61%, 38%) |
| HSV | hsv(204, 76%, 61%) |
| CMYK | cmyk(76.1%, 30.3%, 0%, 39.2%) |
| CIE-LAB | lab(43.48, -5.28, -31.75) |
| CIE-LCH | lch(43.48, 32.18, 260.55°) |
| OKLab | oklab(51% -0.0477 -0.0899) |
| OKLCH | oklch(51% 0.102 242) |
| XYZ | xyz(12.0396, 13.4836, 32.9721) |
| Luminance | 0.1348 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 2.76
Muted Blue
#3B719F
ΔE00 3.00
Ugly Blue
#31668A
ΔE00 3.13
Ocean Blue (survey)
#03719C
ΔE00 3.74
Flat Blue
#3C73A8
ΔE00 4.29
Mid Blue
#276AB3
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#256C9B #9B5425
analogous
#259B8F #256C9B #25319B
triadic
#256C9B #9B256C #6C9B25
tetradic
#256C9B #8F259B #9B5425 #319B25
square
#256C9B #8F259B #9B5425 #319B25
split-complementary
#256C9B #9B2531 #9B8F25
monochromatic
#0D2738 #194A6A #256C9B #318ECC #61A9D9
Accessibility & contrast
On white
5.68
#256C9B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.70
#256C9B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #256C9B
5.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##256C9B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##256C9B | 1.00 | 5.68 | 3.70 | 5.68 |
| #FFFFFF | 5.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#566D9D
Deuteranopia (green-blind)
#46629A
Tritanopia (blue-blind)
#00787D
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #256c9b; /* rgb */ color: rgb(37, 108, 155); /* oklch */ color: oklch(51.0% 0.102 242.0);
Tailwind
colors: {
custom: {
50: '#7195b8',
500: '#256c9b',
950: '#000000',
},
}SCSS
$custom: #256c9b; $custom-light: #7195b8; $custom-dark: #000000;
JSON
{
"hex": "#256c9b",
"rgb": {
"r": 37,
"g": 108,
"b": 155
},
"hsl": {
"h": 203.898,
"s": 61.458,
"l": 37.647
},
"oklch": {
"l": 0.50995,
"c": 0.10175,
"h": 242
},
"luminance": 0.13485
}Semantic roles & 50–950 ramp
primary
#256C9B
secondary
#BF845D
accent
#8343E5
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D11
muted
#7B7E80