#255FBA#255FBA
#255FBA is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.156 H 259.4°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).
Color values
| HEX | #255FBA |
|---|---|
| RGB | rgb(37, 95, 186) |
| HSL | hsl(217, 67%, 44%) |
| HSV | hsv(217, 80%, 73%) |
| CMYK | cmyk(80.1%, 48.9%, 0%, 27.1%) |
| CIE-LAB | lab(41.41, 14.80, -53.30) |
| CIE-LCH | lch(41.41, 55.32, 285.52°) |
| OKLab | oklab(49.96% -0.0288 -0.1533) |
| OKLCH | oklch(49.96% 0.156 259.4) |
| XYZ | xyz(13.7148, 12.1213, 48.0617) |
| Luminance | 0.1212 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim
#1560BD
ΔE00 1.19
Sapphire
#0F52BA
ΔE00 4.33
Mid Blue
#276AB3
ΔE00 4.43
French Blue
#436BAD
ΔE00 4.56
Denim Blue
#3B5B92
ΔE00 5.24
Denim (survey)
#3B638C
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#255FBA #BA8025
analogous
#25A9BA #255FBA #3525BA
triadic
#255FBA #BA255F #5FBA25
tetradic
#255FBA #BA25A9 #BA8025 #25BA35
square
#255FBA #BA25A9 #BA8025 #25BA35
split-complementary
#255FBA #BA3525 #A9BA25
monochromatic
#112B54 #1B4587 #255FBA #437DDA #76A1E4
Accessibility & contrast
On white
6.13
#255FBA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.42
#255FBA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #255FBA
6.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##255FBA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##255FBA | 1.00 | 6.13 | 3.42 | 6.13 |
| #FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2A69BD
Deuteranopia (green-blind)
#005BB8
Tritanopia (blue-blind)
#007583
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #255fba; /* rgb */ color: rgb(37, 95, 186); /* oklch */ color: oklch(50.0% 0.156 259.4);
Tailwind
colors: {
custom: {
50: '#778bcf',
500: '#255fba',
950: '#000000',
},
}SCSS
$custom: #255fba; $custom-light: #778bcf; $custom-dark: #000000;
JSON
{
"hex": "#255fba",
"rgb": {
"r": 37,
"g": 95,
"b": 186
},
"hsl": {
"h": 216.644,
"s": 66.816,
"l": 43.725
},
"oklch": {
"l": 0.4996,
"c": 0.15597,
"h": 259.4
},
"luminance": 0.12123
}Semantic roles & 50–950 ramp
primary
#255FBA
secondary
#CBA870
accent
#A73EEA
background
#F7F8FC
surface
#EEF0F9
border
#C9CBD2
text
#0A0C14
muted
#7C7D82