#000F1F
Closest named color: Rich Navy (#001219). oklch(16.4% 0.042 246.4), rgb(0, 15, 31).
Aa
White text reads best on this color (19.29:1).
About this color
#000F1F is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.042 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.019 away. White text reads best on it, at 19.29:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.08:1 |
| White text | 19.29:1 |
Values
| HEX | #000F1F |
| RGB | rgb(0, 15, 31) |
| HSL | hsl(211, 100%, 6%) |
| OKLCH | oklch(16.4% 0.042 246.4) |
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 #000F1F | 19.29:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #000F1F | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #000F1F text on white | 19.29:1 | AAA | Lc 105.5 | Preferred for body text |
| #000F1F text on black | 1.08:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A7C4E0
oklch(80.8% 0.051 247.5)
-
Step 400
400
#77A6D0
oklch(70.8% 0.08 246.2)
-
Step 500
500
#528FC4
oklch(63.1% 0.102 246.5)
-
Step 600
600
#3378B1
oklch(55.5% 0.113 246.7)
-
Step 700
700
#256598
oklch(49.1% 0.104 246.4)
-
Step 800
800
#21537B
oklch(42.8% 0.085 245.9)
-
Step 900
900
#214563
oklch(37.8% 0.066 245.9)
-
Step 950
950 (this color)
#000F1F
oklch(16.4% 0.042 246.4)
#000F1F 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) | #071020 | 0.015 |
| Deuteranopia (no green cones) | #030D1F | 0.009 |
| Tritanopia (no blue cones) | #001315 | 0.030 |
| Achromatopsia (no color) | #0E0E0E | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000F1F
#000F1F
oklch(16.4% 0.042 246.4)
- #180A00
#180A00
oklch(16.2% 0.036 66)
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 #000F1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.019
- Almost Black #070D0D ΔE 0.039
- Rich Black #0D1B2A ΔE 0.055
- Dark Navy Blue #00022E ΔE 0.055
- Midnight #03012D ΔE 0.056
- Dark Navy #000435 ΔE 0.057
- Very Dark Blue #000133 ΔE 0.061
- Navy Blue #001146 ΔE 0.078
Use #000F1F 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.