#00010D
Closest named color: Midnight (#03012D). oklch(8.3% 0.043 263.2), rgb(0, 1, 13).
Aa
White text reads best on this color (20.78:1).
About this color
#00010D is a very dark, muted blue. In OKLCH its lightness is 8%, its chroma 0.043 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.075 away. White text reads best on it, at 20.78:1.
| Hue family | Blues |
| Lightness | very dark (8%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.01:1 |
| White text | 20.78:1 |
Values
| HEX | #00010D |
| RGB | rgb(0, 1, 13) |
| HSL | hsl(235, 100%, 3%) |
| OKLCH | oklch(8.3% 0.043 263.2) |
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 #00010D | 20.78:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #00010D | 1.01:1 | Fails | Lc 0.0 | Not readable |
| #00010D text on white | 20.78:1 | AAA | Lc 106.0 | Preferred for body text |
| #00010D text on black | 1.01:1 | 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0DAEC
oklch(88.6% 0.027 262.3)
-
Step 300
300
#B0C1E2
oklch(80.9% 0.05 263.7)
-
Step 400
400
#86A1D4
oklch(70.8% 0.081 262.8)
-
Step 500
500
#6889C8
oklch(63.2% 0.103 262.7)
-
Step 600
600
#5071B5
oklch(55.5% 0.113 263.5)
-
Step 700
700
#415F9C
oklch(49.2% 0.104 263.3)
-
Step 800
800
#364E7E
oklch(42.8% 0.085 263.1)
-
Step 900
900
#2E4165
oklch(37.7% 0.067 262.4)
-
Step 950
950 (this color)
#00010D
oklch(8.3% 0.043 263.2)
#00010D 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) | #00020E | 0.011 |
| Deuteranopia (no green cones) | #00010D | 0.000 |
| Tritanopia (no blue cones) | #000305 | 0.032 |
| Achromatopsia (no color) | #020202 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00010D
#00010D
oklch(8.3% 0.043 263.2)
- #030200
#030200
oklch(8.6% 0.018 94.5)
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 #00010D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.076
- Almost Black #070D0D ΔE 0.080
- Very Dark Blue #000133 ΔE 0.086
- Rich Navy #001219 ΔE 0.090
- Black #000000 ΔE 0.093
- Dark Navy #000435 ΔE 0.093
- Very Dark Brown #1D0200 ΔE 0.111
Use #00010D 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.