#256BBC#256BBC
#256BBC is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.8% C 0.145 H 254.8°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #256BBC |
|---|---|
| RGB | rgb(37, 107, 188) |
| HSL | hsl(212, 67%, 44%) |
| HSV | hsv(212, 80%, 74%) |
| CMYK | cmyk(80.3%, 43.1%, 0%, 26.3%) |
| CIE-LAB | lab(44.99, 7.86, -48.70) |
| CIE-LCH | lch(44.99, 49.33, 279.17°) |
| OKLab | oklab(52.77% -0.038 -0.1395) |
| OKLCH | oklch(52.77% 0.145 254.8) |
| XYZ | xyz(15.0944, 14.5377, 49.5777) |
| Luminance | 0.1454 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Mid Blue
#276AB3
ΔE00 1.07
Medium Blue
#2C6FBB
ΔE00 1.42
French Blue
#436BAD
ΔE00 3.43
Flat Blue
#3C73A8
ΔE00 3.63
Denim
#1560BD
ΔE00 3.86
Muted Blue
#3B719F
ΔE00 4.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#256BBC #BC7625
analogous
#25B7BC #256BBC #2A25BC
triadic
#256BBC #BC256B #6BBC25
tetradic
#256BBC #BC25B7 #BC7625 #25BC2A
square
#256BBC #BC25B7 #BC7625 #25BC2A
split-complementary
#256BBC #BC2A25 #B7BC25
monochromatic
#113156 #1B4E89 #256BBC #448ADA #77AAE4
Accessibility & contrast
On white
5.37
#256BBC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.91
#256BBC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #256BBC
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##256BBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##256BBC | 1.00 | 5.37 | 3.91 | 5.37 |
| #FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4272BF
Deuteranopia (green-blind)
#2564BA
Tritanopia (blue-blind)
#007E8A
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #256bbc; /* rgb */ color: rgb(37, 107, 188); /* oklch */ color: oklch(52.8% 0.145 254.8);
Tailwind
colors: {
custom: {
50: '#7794d1',
500: '#256bbc',
950: '#000000',
},
}SCSS
$custom: #256bbc; $custom-light: #7794d1; $custom-dark: #000000;
JSON
{
"hex": "#256bbc",
"rgb": {
"r": 37,
"g": 107,
"b": 188
},
"hsl": {
"h": 212.185,
"s": 67.111,
"l": 44.118
},
"oklch": {
"l": 0.5277,
"c": 0.1446,
"h": 254.8
},
"luminance": 0.1454
}Semantic roles & 50–950 ramp
primary
#256BBC
secondary
#CCA271
accent
#9A3EEA
background
#F7F9FC
surface
#EEF1F9
border
#C9CBD2
text
#0A0D14
muted
#7C7E82