#315DBA#315DBA
#315DBA is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.155 H 263.0°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).
Color values
| HEX | #315DBA |
|---|---|
| RGB | rgb(49, 93, 186) |
| HSL | hsl(221, 58%, 46%) |
| HSV | hsv(221, 74%, 73%) |
| CMYK | cmyk(73.7%, 50%, 0%, 27.1%) |
| CIE-LAB | lab(41.26, 17.52, -53.52) |
| CIE-LCH | lch(41.26, 56.32, 288.12°) |
| OKLab | oklab(49.96% -0.019 -0.1538) |
| OKLCH | oklch(49.96% 0.155 263) |
| XYZ | xyz(14.0407, 12.0253, 48.0260) |
| Luminance | 0.1203 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim
#1560BD
ΔE00 2.91
Sapphire
#0F52BA
ΔE00 3.78
French Blue
#436BAD
ΔE00 5.01
Denim Blue
#3B5B92
ΔE00 5.03
Dusky Blue
#475F94
ΔE00 5.63
Denim (survey)
#3B638C
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#315DBA #BA8E31
analogous
#31A1BA #315DBA #4931BA
triadic
#315DBA #BA315D #5DBA31
tetradic
#315DBA #BA31A1 #BA8E31 #31BA49
square
#315DBA #BA31A1 #BA8E31 #31BA49
split-complementary
#315DBA #BA4931 #A1BA31
monochromatic
#172D59 #24458A #315DBA #567ED2 #86A3DF
Accessibility & contrast
On white
6.17
#315DBA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.41
#315DBA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #315DBA
6.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##315DBA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##315DBA | 1.00 | 6.17 | 3.41 | 6.17 |
| #FFFFFF | 6.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2668BD
Deuteranopia (green-blind)
#005BB8
Tritanopia (blue-blind)
#007382
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #315dba; /* rgb */ color: rgb(49, 93, 186); /* oklch */ color: oklch(50.0% 0.155 263.0);
Tailwind
colors: {
custom: {
50: '#7b8acf',
500: '#315dba',
950: '#000000',
},
}SCSS
$custom: #315dba; $custom-light: #7b8acf; $custom-dark: #000000;
JSON
{
"hex": "#315dba",
"rgb": {
"r": 49,
"g": 93,
"b": 186
},
"hsl": {
"h": 220.73,
"s": 58.298,
"l": 46.078
},
"oklch": {
"l": 0.49959,
"c": 0.15497,
"h": 263
},
"luminance": 0.12027
}Semantic roles & 50–950 ramp
primary
#315DBA
secondary
#C9B17E
accent
#B046E2
background
#F8F8FC
surface
#EFF0F9
border
#CACBD2
text
#0B0B14
muted
#7C7C82