#121F3A#121F3A
#121F3A is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.3% C 0.055 H 263.5°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).
Color values
| HEX | #121F3A |
|---|---|
| RGB | rgb(18, 31, 58) |
| HSL | hsl(221, 53%, 15%) |
| HSV | hsv(221, 69%, 23%) |
| CMYK | cmyk(69%, 46.6%, 0%, 77.3%) |
| CIE-LAB | lab(12.05, 4.59, -19.19) |
| CIE-LCH | lch(12.05, 19.73, 283.46°) |
| OKLab | oklab(24.33% -0.0063 -0.0545) |
| OKLCH | oklch(24.33% 0.055 263.5) |
| XYZ | xyz(1.5029, 1.4139, 4.1959) |
| Luminance | 0.0141 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 3.77
Navy (survey)
#01153E
ΔE00 5.28
Dark
#1B2431
ΔE00 6.98
Dark Navy Blue
#00022E
ΔE00 7.69
Navy Blue (survey)
#001146
ΔE00 7.76
Midnight
#03012D
ΔE00 8.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#121F3A #3A2D12
analogous
#12333A #121F3A #19123A
triadic
#121F3A #3A121F #1F3A12
tetradic
#121F3A #3A1233 #3A2D12 #123A19
square
#121F3A #3A1233 #3A2D12 #123A19
split-complementary
#121F3A #3A1912 #333A12
monochromatic
#070C17 #070C17 #121F3A #203869 #2F5197
Accessibility & contrast
On white
16.37
#121F3A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.28
#121F3A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #121F3A
16.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##121F3A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##121F3A | 1.00 | 16.37 | 1.28 | 16.37 |
| #FFFFFF | 16.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#13223B
Deuteranopia (green-blind)
#0E1E39
Tritanopia (blue-blind)
#002529
Achromatopsia (no color)
#202020
Design tokens & code
CSS
--color: #121f3a; /* rgb */ color: rgb(18, 31, 58); /* oklch */ color: oklch(24.3% 0.055 263.5);
Tailwind
colors: {
custom: {
50: '#545a70',
500: '#121f3a',
950: '#000000',
},
}SCSS
$custom: #121f3a; $custom-light: #545a70; $custom-dark: #000000;
JSON
{
"hex": "#121f3a",
"rgb": {
"r": 18,
"g": 31,
"b": 58
},
"hsl": {
"h": 220.5,
"s": 52.632,
"l": 14.902
},
"oklch": {
"l": 0.24331,
"c": 0.0549,
"h": 263.5
},
"luminance": 0.01414
}Semantic roles & 50–950 ramp
primary
#121F3A
secondary
#735F35
accent
#AD4CDC
background
#F5F5F6
surface
#E9E9EC
border
#C5C5C7
text
#030307
muted
#78787A