#03103F#03103F
#03103F is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.2% C 0.092 H 264.8°. Best body text is #FFFFFF at 18.26:1 contrast (WCAG AA passes).
Color values
| HEX | #03103F |
|---|---|
| RGB | rgb(3, 16, 63) |
| HSL | hsl(227, 91%, 13%) |
| HSV | hsv(227, 95%, 25%) |
| CMYK | cmyk(95.2%, 74.6%, 0%, 75.3%) |
| CIE-LAB | lab(6.76, 15.65, -31.34) |
| CIE-LCH | lch(6.76, 35.03, 296.54°) |
| OKLab | oklab(20.18% -0.0084 -0.0912) |
| OKLCH | oklch(20.18% 0.092 264.8) |
| XYZ | xyz(1.1197, 0.7487, 4.7872) |
| Luminance | 0.0075 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.55
Dark Navy
#000435
ΔE00 2.26
Navy (survey)
#01153E
ΔE00 2.41
Very Dark Blue
#000133
ΔE00 2.72
Midnight Blue (survey)
#020035
ΔE00 2.74
Dark Navy Blue
#00022E
ΔE00 3.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#03103F #3F3203
analogous
#032E3F #03103F #14033F
triadic
#03103F #3F0310 #103F03
tetradic
#03103F #3F032E #3F3203 #033F14
square
#03103F #3F032E #3F3203 #033F14
split-complementary
#03103F #3F1403 #2E3F03
monochromatic
#01071D #01071D #03103F #061F79 #092EB4
Accessibility & contrast
On white
18.26
#03103F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.15
#03103F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #03103F
18.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##03103F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##03103F | 1.00 | 18.26 | 1.15 | 18.26 |
| #FFFFFF | 18.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001840
Deuteranopia (green-blind)
#00123E
Tritanopia (blue-blind)
#001D25
Achromatopsia (no color)
#151515
Design tokens & code
CSS
--color: #03103f; /* rgb */ color: rgb(3, 16, 63); /* oklch */ color: oklch(20.2% 0.092 264.8);
Tailwind
colors: {
custom: {
50: '#504d75',
500: '#03103f',
950: '#000000',
},
}SCSS
$custom: #03103f; $custom-light: #504d75; $custom-dark: #000000;
JSON
{
"hex": "#03103f",
"rgb": {
"r": 3,
"g": 16,
"b": 63
},
"hsl": {
"h": 227,
"s": 90.909,
"l": 12.941
},
"oklch": {
"l": 0.20175,
"c": 0.09158,
"h": 264.8
},
"luminance": 0.00749
}Semantic roles & 50–950 ramp
primary
#03103F
secondary
#816B1D
accent
#D129FF
background
#F4F4F7
surface
#E7E7ED
border
#C3C3C8
text
#020108
muted
#78777B