#0A1967
Closest named color: Midnight Blue (#191970). oklch(27% 0.136 266.8), rgb(10, 25, 103).
Aa
White text reads best on this color (15.58:1).
About this color
#0A1967 is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.136 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.025 away. White text reads best on it, at 15.58:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.34:1 |
| White text | 15.58:1 |
Values
| HEX | #0A1967 |
| RGB | rgb(10, 25, 103) |
| HSL | hsl(230, 82%, 22%) |
| OKLCH | oklch(27% 0.136 266.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0A1967 | 15.58:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #0A1967 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #0A1967 text on white | 15.58:1 | AAA | Lc 101.8 | Preferred for body text |
| #0A1967 text on black | 1.34:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#759BFF
oklch(70.6% 0.153 266.8)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#345CFF
oklch(55.5% 0.245 266.9)
-
Step 700
700
#2133FF
oklch(49.1% 0.287 266.8)
-
Step 800
800
#1916E1
oklch(42.6% 0.274 266.7)
-
Step 900
900
#1424B0
oklch(37.7% 0.214 266.8)
-
Step 950
950 (this color)
#0A1967
oklch(27% 0.136 266.8)
#0A1967 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #002869 | 0.036 |
| Deuteranopia (no green cones) | #001F66 | 0.014 |
| Tritanopia (no blue cones) | #002F3E | 0.102 |
| Achromatopsia (no color) | #242424 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1967
#0A1967
oklch(27% 0.136 266.8)
- #322400
#322400
oklch(27% 0.055 86.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0A1967, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.025
- Dark Royal Blue #02066F ΔE 0.034
- Darkblue #030764 ΔE 0.036
- Deep Blue #040273 ΔE 0.039
- Navy #000080 ΔE 0.053
- Dark Indigo #1F0954 ΔE 0.055
- Marine #042E60 ΔE 0.056
- Dark Blue #00008B ΔE 0.067
Use #0A1967 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.