#0A1024
Closest named color: Rich Navy (#001219). oklch(18% 0.042 269.3), rgb(10, 16, 36).
Aa
White text reads best on this color (18.87:1).
About this color
#0A1024 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.042 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.033 away. White text reads best on it, at 18.87:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.87:1 |
Values
| HEX | #0A1024 |
| RGB | rgb(10, 16, 36) |
| HSL | hsl(226, 57%, 9%) |
| OKLCH | oklch(18% 0.042 269.3) |
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 #0A1024 | 18.87:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #0A1024 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #0A1024 text on white | 18.87:1 | AAA | Lc 105.3 | Preferred for body text |
| #0A1024 text on black | 1.11:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B3C0E2
oklch(80.9% 0.05 268.8)
-
Step 400
400
#8C9FD3
oklch(70.7% 0.079 268.8)
-
Step 500
500
#7086C8
oklch(63% 0.103 269.3)
-
Step 600
600
#596FB4
oklch(55.6% 0.111 269.2)
-
Step 700
700
#495D9B
oklch(49.2% 0.102 268.9)
-
Step 800
800
#3C4C7E
oklch(42.7% 0.086 269.1)
-
Step 900
900
#334065
oklch(37.8% 0.066 268.4)
-
Step 950
950 (this color)
#0A1024
oklch(18% 0.042 269.3)
#0A1024 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) | #081225 | 0.007 |
| Deuteranopia (no green cones) | #051024 | 0.009 |
| Tritanopia (no blue cones) | #011418 | 0.036 |
| Achromatopsia (no color) | #111111 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1024
#0A1024
oklch(18% 0.042 269.3)
- #181000
#181000
oklch(17.9% 0.037 87.7)
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 #0A1024, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.033
- Rich Black #0D1B2A ΔE 0.040
- Almost Black #070D0D ΔE 0.049
- Dark Navy #000435 ΔE 0.057
- Midnight #03012D ΔE 0.059
- Dark Navy Blue #00022E ΔE 0.060
- Very Dark Blue #000133 ΔE 0.065
- Navy Blue #001146 ΔE 0.068
Use #0A1024 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.