#000A24
Closest named color: Dark Navy Blue (#00022E). oklch(15.3% 0.059 258.7), rgb(0, 10, 36).
Aa
White text reads best on this color (19.64:1).
About this color
#000A24 is a very dark, muted blue. In OKLCH its lightness is 15%, its chroma 0.059 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy Blue (#00022E), ΔE 0.033 away. White text reads best on it, at 19.64:1.
| Hue family | Blues |
| Lightness | very dark (15%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Navy Blue (#00022E) |
| Black text | 1.06:1 |
| White text | 19.64:1 |
Values
| HEX | #000A24 |
| RGB | rgb(0, 10, 36) |
| HSL | hsl(223, 100%, 7%) |
| OKLCH | oklch(15.3% 0.059 258.7) |
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 #000A24 | 19.64:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #000A24 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #000A24 text on white | 19.64:1 | AAA | Lc 105.6 | Preferred for body text |
| #000A24 text on black | 1.06:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A6C2EE
oklch(80.9% 0.07 259.3)
-
Step 400
400
#75A2E6
oklch(70.8% 0.112 258.4)
-
Step 500
500
#5189DE
oklch(63.1% 0.142 258.5)
-
Step 600
600
#3571CC
oklch(55.7% 0.154 258.7)
-
Step 700
700
#275EB0
oklch(49.1% 0.143 258.6)
-
Step 800
800
#224D8F
oklch(42.7% 0.119 258.9)
-
Step 900
900
#214172
oklch(37.8% 0.092 258.7)
-
Step 950
950 (this color)
#000A24
oklch(15.3% 0.059 258.7)
#000A24 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) | #000D25 | 0.010 |
| Deuteranopia (no green cones) | #000924 | 0.003 |
| Tritanopia (no blue cones) | #001115 | 0.045 |
| Achromatopsia (no color) | #0B0B0B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000A24
#000A24
oklch(15.3% 0.059 258.7)
- #130A00
#130A00
oklch(15.4% 0.032 79.3)
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 #000A24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy Blue #00022E ΔE 0.033
- Midnight #03012D ΔE 0.035
- Dark Navy #000435 ΔE 0.038
- Very Dark Blue #000133 ΔE 0.041
- Rich Navy #001219 ΔE 0.041
- Almost Black #070D0D ΔE 0.055
- Rich Black #0D1B2A ΔE 0.069
- Navy Blue #001146 ΔE 0.072
Use #000A24 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.