#1F296D#1F296D
#1F296D is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.8% C 0.118 H 271.6°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).
Color values
| HEX | #1F296D |
|---|---|
| RGB | rgb(31, 41, 109) |
| HSL | hsl(232, 56%, 27%) |
| HSV | hsv(232, 72%, 43%) |
| CMYK | cmyk(71.6%, 62.4%, 0%, 57.3%) |
| CIE-LAB | lab(19.97, 20.57, -40.87) |
| CIE-LCH | lch(19.97, 45.76, 296.72°) |
| OKLab | oklab(31.81% 0.0033 -0.1178) |
| OKLCH | oklch(31.81% 0.118 271.6) |
| XYZ | xyz(4.1174, 2.9809, 14.8234) |
| Luminance | 0.0298 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 5.18
Marine
#042E60
ΔE00 5.77
Navy Blue
#1B2A4A
ΔE00 7.51
Marine Blue
#01386A
ΔE00 8.19
Navy Blue (survey)
#001146
ΔE00 8.37
Royal
#0C1793
ΔE00 8.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F296D #6D631F
analogous
#1F506D #1F296D #3C1F6D
triadic
#1F296D #6D1F29 #296D1F
tetradic
#1F296D #6D1F50 #6D631F #1F6D3C
square
#1F296D #6D1F50 #6D631F #1F6D3C
split-complementary
#1F296D #6D3C1F #506D1F
monochromatic
#070918 #11173D #1F296D #2D3B9D #3E50C8
Accessibility & contrast
On white
13.16
#1F296D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.60
#1F296D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F296D
13.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F296D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F296D | 1.00 | 13.16 | 1.60 | 13.16 |
| #FFFFFF | 13.16 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.16 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00346F
Deuteranopia (green-blind)
#002D6C
Tritanopia (blue-blind)
#003A46
Achromatopsia (no color)
#303030
Design tokens & code
CSS
--color: #1f296d; /* rgb */ color: rgb(31, 41, 109); /* oklch */ color: oklch(31.8% 0.118 271.6);
Tailwind
colors: {
custom: {
50: '#666297',
500: '#1f296d',
950: '#000000',
},
}SCSS
$custom: #1f296d; $custom-light: #666297; $custom-dark: #000000;
JSON
{
"hex": "#1f296d",
"rgb": {
"r": 31,
"g": 41,
"b": 109
},
"hsl": {
"h": 232.308,
"s": 55.714,
"l": 27.451
},
"oklch": {
"l": 0.31812,
"c": 0.11785,
"h": 271.6
},
"luminance": 0.02981
}Semantic roles & 50–950 ramp
primary
#1F296D
secondary
#A19647
accent
#CC49DF
background
#F6F5F9
surface
#EBEAF2
border
#C6C6CC
text
#06050E
muted
#7A797E