#03091A
Closest named color: Rich Navy (#001219). oklch(14.4% 0.039 262.6), rgb(3, 9, 26).
Aa
White text reads best on this color (19.85:1).
About this color
#03091A is a very dark, muted blue. In OKLCH its lightness is 14%, its chroma 0.039 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.036 away. White text reads best on it, at 19.85:1.
| Hue family | Blues |
| Lightness | very dark (14%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.05:1 |
| White text | 19.85:1 |
Values
| HEX | #03091A |
| RGB | rgb(3, 9, 26) |
| HSL | hsl(224, 79%, 6%) |
| OKLCH | oklch(14.4% 0.039 262.6) |
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 #03091A | 19.85:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #03091A | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #03091A text on white | 19.85:1 | AAA | Lc 105.8 | Preferred for body text |
| #03091A text on black | 1.05:1 | 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
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B1C1DF
oklch(80.9% 0.046 263)
-
Step 400
400
#88A1D0
oklch(70.7% 0.075 262.8)
-
Step 500
500
#6A89C3
oklch(63% 0.095 262.4)
-
Step 600
600
#5272B0
oklch(55.6% 0.104 262.7)
-
Step 700
700
#435F97
oklch(49% 0.096 263.1)
-
Step 800
800
#374E7B
oklch(42.7% 0.08 262.9)
-
Step 900
900
#304163
oklch(37.7% 0.063 263.4)
-
Step 950
950 (this color)
#03091A
oklch(14.4% 0.039 262.6)
#03091A 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) | #030B1B | 0.008 |
| Deuteranopia (no green cones) | #01091A | 0.006 |
| Tritanopia (no blue cones) | #000D10 | 0.031 |
| Achromatopsia (no color) | #0A0A0A | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03091A
#03091A
oklch(14.4% 0.039 262.6)
- #100800
#100800
oklch(14.3% 0.03 79.6)
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 #03091A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.036
- Almost Black #070D0D ΔE 0.037
- Midnight #03012D ΔE 0.049
- Dark Navy Blue #00022E ΔE 0.051
- Dark Navy #000435 ΔE 0.059
- Very Dark Blue #000133 ΔE 0.059
- Rich Black #0D1B2A ΔE 0.074
- Very Dark Brown #1D0200 ΔE 0.086
Use #03091A 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.