#256BBD#256BBD
#256BBD is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.8% C 0.146 H 255.0°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).
Color values
| HEX | #256BBD |
|---|---|
| RGB | rgb(37, 107, 189) |
| HSL | hsl(212, 67%, 44%) |
| HSV | hsv(212, 80%, 74%) |
| CMYK | cmyk(80.4%, 43.4%, 0%, 25.9%) |
| CIE-LAB | lab(45.05, 8.24, -49.18) |
| CIE-LCH | lch(45.05, 49.87, 279.52°) |
| OKLab | oklab(52.84% -0.0378 -0.1409) |
| OKLCH | oklch(52.84% 0.146 255) |
| XYZ | xyz(15.2025, 14.5810, 50.1474) |
| Luminance | 0.1458 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Mid Blue
#276AB3
ΔE00 1.19
Medium Blue
#2C6FBB
ΔE00 1.43
French Blue
#436BAD
ΔE00 3.41
Flat Blue
#3C73A8
ΔE00 3.69
Denim
#1560BD
ΔE00 3.84
Muted Blue
#3B719F
ΔE00 4.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#256BBD #BD7725
analogous
#25B7BD #256BBD #2B25BD
triadic
#256BBD #BD256B #6BBD25
tetradic
#256BBD #BD25B7 #BD7725 #25BD2B
square
#256BBD #BD25B7 #BD7725 #25BD2B
split-complementary
#256BBD #BD2B25 #B7BD25
monochromatic
#113157 #1B4E8A #256BBD #458ADB #78AAE5
Accessibility & contrast
On white
5.36
#256BBD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.92
#256BBD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #256BBD
5.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##256BBD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##256BBD | 1.00 | 5.36 | 3.92 | 5.36 |
| #FFFFFF | 5.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.92 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4172C0
Deuteranopia (green-blind)
#2464BB
Tritanopia (blue-blind)
#007F8B
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #256bbd; /* rgb */ color: rgb(37, 107, 189); /* oklch */ color: oklch(52.8% 0.146 255.0);
Tailwind
colors: {
custom: {
50: '#7894d1',
500: '#256bbd',
950: '#000000',
},
}SCSS
$custom: #256bbd; $custom-light: #7894d1; $custom-dark: #000000;
JSON
{
"hex": "#256bbd",
"rgb": {
"r": 37,
"g": 107,
"b": 189
},
"hsl": {
"h": 212.368,
"s": 67.257,
"l": 44.314
},
"oklch": {
"l": 0.52837,
"c": 0.14592,
"h": 255
},
"luminance": 0.14583
}Semantic roles & 50–950 ramp
primary
#256BBD
secondary
#CCA272
accent
#9B3EEA
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0A0D14
muted
#7C7E82