#000A27
Closest named color: Dark Navy Blue (#00022E). oklch(15.7% 0.064 260), rgb(0, 10, 39).
Aa
White text reads best on this color (19.57:1).
About this color
#000A27 is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.064 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy Blue (#00022E), ΔE 0.030 away. White text reads best on it, at 19.57:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Navy Blue (#00022E) |
| Black text | 1.07:1 |
| White text | 19.57:1 |
Values
| HEX | #000A27 |
| RGB | rgb(0, 10, 39) |
| HSL | hsl(225, 100%, 8%) |
| OKLCH | oklch(15.7% 0.064 260) |
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 #000A27 | 19.57:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #000A27 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #000A27 text on white | 19.57:1 | AAA | Lc 105.5 | Preferred for body text |
| #000A27 text on black | 1.07:1 | 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
#E1EAF9
oklch(93.5% 0.023 260.7)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A4C2F2
oklch(80.9% 0.076 259.7)
-
Step 400
400
#73A1EC
oklch(70.7% 0.121 259.8)
-
Step 500
500
#4E87E6
oklch(63.1% 0.156 260)
-
Step 600
600
#326FD4
oklch(55.7% 0.168 260)
-
Step 700
700
#245CB7
oklch(49.1% 0.156 259.8)
-
Step 800
800
#204C94
oklch(42.8% 0.128 259.8)
-
Step 900
900
#1F4076
oklch(37.7% 0.1 259.8)
-
Step 950
950 (this color)
#000A27
oklch(15.7% 0.064 260)
#000A27 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) | #000E28 | 0.014 |
| Deuteranopia (no green cones) | #000A26 | 0.002 |
| Tritanopia (no blue cones) | #001116 | 0.048 |
| Achromatopsia (no color) | #0C0C0C | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000A27
#000A27
oklch(15.7% 0.064 260)
- #140B00
#140B00
oklch(15.8% 0.033 80.4)
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 #000A27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy Blue #00022E ΔE 0.030
- Midnight #03012D ΔE 0.031
- Dark Navy #000435 ΔE 0.032
- Very Dark Blue #000133 ΔE 0.036
- Rich Navy #001219 ΔE 0.045
- Almost Black #070D0D ΔE 0.060
- Navy Blue #001146 ΔE 0.066
- Night Blue #040348 ΔE 0.066
Use #000A27 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.