#3145A1#3145A1
#3145A1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.150 H 269.7°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).
Color values
| HEX | #3145A1 |
|---|---|
| RGB | rgb(49, 69, 161) |
| HSL | hsl(229, 53%, 41%) |
| HSV | hsv(229, 70%, 63%) |
| CMYK | cmyk(69.6%, 57.1%, 0%, 36.9%) |
| CIE-LAB | lab(32.88, 23.98, -52.26) |
| CIE-LCH | lch(32.88, 57.49, 294.65°) |
| OKLab | oklab(43.05% -0.0008 -0.1505) |
| OKLCH | oklch(43.05% 0.15 269.7) |
| XYZ | xyz(9.8256, 7.4815, 34.6376) |
| Luminance | 0.0748 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.80
Sapphire (survey)
#2138AB
ΔE00 4.36
Blueberry
#464196
ΔE00 4.47
Cobalt (survey)
#1E488F
ΔE00 4.74
Blue Blue
#2242C7
ΔE00 5.30
Ocean Blue
#4F42B5
ΔE00 6.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3145A1 #A18D31
analogous
#317DA1 #3145A1 #5531A1
triadic
#3145A1 #A13145 #45A131
tetradic
#3145A1 #A1317D #A18D31 #31A155
square
#3145A1 #A1317D #A18D31 #31A155
split-complementary
#3145A1 #A15531 #7DA131
monochromatic
#141D43 #233172 #3145A1 #485FC7 #7788D6
Accessibility & contrast
On white
8.41
#3145A1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.50
#3145A1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3145A1
8.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3145A1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3145A1 | 1.00 | 8.41 | 2.50 | 8.41 |
| #FFFFFF | 8.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0053A4
Deuteranopia (green-blind)
#00489F
Tritanopia (blue-blind)
#005B6C
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #3145a1; /* rgb */ color: rgb(49, 69, 161); /* oklch */ color: oklch(43.0% 0.150 269.7);
Tailwind
colors: {
custom: {
50: '#7778be',
500: '#3145a1',
950: '#000000',
},
}SCSS
$custom: #3145a1; $custom-light: #7778be; $custom-dark: #000000;
JSON
{
"hex": "#3145a1",
"rgb": {
"r": 49,
"g": 69,
"b": 161
},
"hsl": {
"h": 229.286,
"s": 53.333,
"l": 41.176
},
"oklch": {
"l": 0.4305,
"c": 0.15046,
"h": 269.7
},
"luminance": 0.07482
}Semantic roles & 50–950 ramp
primary
#3145A1
secondary
#BEB070
accent
#C34BDD
background
#F7F7FB
surface
#EEEDF7
border
#C9C8D0
text
#0A0812
muted
#7C7B81