#256DBD#256DBD
#256DBD is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.3% C 0.144 H 254.1°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #256DBD |
|---|---|
| RGB | rgb(37, 109, 189) |
| HSL | hsl(212, 67%, 44%) |
| HSV | hsv(212, 80%, 74%) |
| CMYK | cmyk(80.4%, 42.3%, 0%, 25.9%) |
| CIE-LAB | lab(45.64, 6.98, -48.25) |
| CIE-LCH | lch(45.64, 48.75, 278.23°) |
| OKLab | oklab(53.29% -0.0394 -0.1381) |
| OKLCH | oklch(53.29% 0.144 254.1) |
| XYZ | xyz(15.4135, 15.0028, 50.2177) |
| Luminance | 0.1500 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 0.75
Mid Blue
#276AB3
ΔE00 1.48
Flat Blue
#3C73A8
ΔE00 3.17
Bluish
#2976BB
ΔE00 3.56
French Blue
#436BAD
ΔE00 3.74
Muted Blue
#3B719F
ΔE00 3.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#256DBD #BD7525
analogous
#25B9BD #256DBD #2925BD
triadic
#256DBD #BD256D #6DBD25
tetradic
#256DBD #BD25B9 #BD7525 #25BD29
square
#256DBD #BD25B9 #BD7525 #25BD29
split-complementary
#256DBD #BD2925 #B9BD25
monochromatic
#113257 #1B4F8A #256DBD #458CDB #78ABE5
Accessibility & contrast
On white
5.25
#256DBD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.00
#256DBD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #256DBD
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##256DBD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##256DBD | 1.00 | 5.25 | 4.00 | 5.25 |
| #FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4573C0
Deuteranopia (green-blind)
#2966BB
Tritanopia (blue-blind)
#00808C
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #256dbd; /* rgb */ color: rgb(37, 109, 189); /* oklch */ color: oklch(53.3% 0.144 254.1);
Tailwind
colors: {
custom: {
50: '#7896d1',
500: '#256dbd',
950: '#000000',
},
}SCSS
$custom: #256dbd; $custom-light: #7896d1; $custom-dark: #000000;
JSON
{
"hex": "#256dbd",
"rgb": {
"r": 37,
"g": 109,
"b": 189
},
"hsl": {
"h": 211.579,
"s": 67.257,
"l": 44.314
},
"oklch": {
"l": 0.5329,
"c": 0.14367,
"h": 254.1
},
"luminance": 0.15005
}Semantic roles & 50–950 ramp
primary
#256DBD
secondary
#CCA172
accent
#983EEA
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0A0D14
muted
#7C7E82