#0A1243#0A1243
#0A1243 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.092 H 269.5°. Best body text is #FFFFFF at 17.79:1 contrast (WCAG AA passes).
Color values
| HEX | #0A1243 |
|---|---|
| RGB | rgb(10, 18, 67) |
| HSL | hsl(232, 74%, 15%) |
| HSV | hsv(232, 85%, 26%) |
| CMYK | cmyk(85.1%, 73.1%, 0%, 73.7%) |
| CIE-LAB | lab(8.15, 17.13, -31.90) |
| CIE-LCH | lch(8.15, 36.21, 298.23°) |
| OKLab | oklab(21.5% -0.0009 -0.0923) |
| OKLCH | oklch(21.5% 0.092 269.5) |
| XYZ | xyz(1.3543, 0.9022, 5.4119) |
| Luminance | 0.0090 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 1.48
Navy (survey)
#01153E
ΔE00 3.07
Dark Navy
#000435
ΔE00 3.25
Midnight Blue (survey)
#020035
ΔE00 3.45
Very Dark Blue
#000133
ΔE00 3.66
Dark Navy Blue
#00022E
ΔE00 4.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A1243 #433B0A
analogous
#0A2E43 #0A1243 #1E0A43
triadic
#0A1243 #430A12 #12430A
tetradic
#0A1243 #430A2E #433B0A #0A431E
square
#0A1243 #430A2E #433B0A #0A431E
split-complementary
#0A1243 #431E0A #2E430A
monochromatic
#04071B #04071B #0A1243 #122078 #1A2FAE
Accessibility & contrast
On white
17.79
#0A1243 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.18
#0A1243 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A1243
17.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A1243 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A1243 | 1.00 | 17.79 | 1.18 | 17.79 |
| #FFFFFF | 17.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001B45
Deuteranopia (green-blind)
#001542
Tritanopia (blue-blind)
#001F28
Achromatopsia (no color)
#181818
Design tokens & code
CSS
--color: #0a1243; /* rgb */ color: rgb(10, 18, 67); /* oklch */ color: oklch(21.5% 0.092 269.5);
Tailwind
colors: {
custom: {
50: '#544f78',
500: '#0a1243',
950: '#000000',
},
}SCSS
$custom: #0a1243; $custom-light: #544f78; $custom-dark: #000000;
JSON
{
"hex": "#0a1243",
"rgb": {
"r": 10,
"g": 18,
"b": 67
},
"hsl": {
"h": 231.579,
"s": 74.026,
"l": 15.098
},
"oklch": {
"l": 0.21498,
"c": 0.09226,
"h": 269.5
},
"luminance": 0.00902
}Semantic roles & 50–950 ramp
primary
#0A1243
secondary
#807429
accent
#D737F1
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030209
muted
#78787B