#06091B
Closest named color: Rich Navy (#001219). oklch(14.8% 0.039 272.4), rgb(6, 9, 27).
Aa
White text reads best on this color (19.76:1).
About this color
#06091B is a very dark, muted blue. In OKLCH its lightness is 15%, its chroma 0.039 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.037 away. White text reads best on it, at 19.76:1.
| Hue family | Blues |
| Lightness | very dark (15%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.06:1 |
| White text | 19.76:1 |
Values
| HEX | #06091B |
| RGB | rgb(6, 9, 27) |
| HSL | hsl(231, 64%, 6%) |
| OKLCH | oklch(14.8% 0.039 272.4) |
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 #06091B | 19.76:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #06091B | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #06091B text on white | 19.76:1 | AAA | Lc 105.8 | Preferred for body text |
| #06091B 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFDF
oklch(80.8% 0.046 272.9)
-
Step 400
400
#909ECF
oklch(70.6% 0.074 272.1)
-
Step 500
500
#7686C3
oklch(63.2% 0.094 272.2)
-
Step 600
600
#5F6EAF
oklch(55.5% 0.103 272.8)
-
Step 700
700
#4E5C97
oklch(49.1% 0.096 272.3)
-
Step 800
800
#404B7A
oklch(42.6% 0.079 272.6)
-
Step 900
900
#363F62
oklch(37.6% 0.061 272.2)
-
Step 950
950 (this color)
#06091B
oklch(14.8% 0.039 272.4)
#06091B 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) | #030B1C | 0.009 |
| Deuteranopia (no green cones) | #02091B | 0.010 |
| Tritanopia (no blue cones) | #000D10 | 0.035 |
| Achromatopsia (no color) | #0A0A0A | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06091B
#06091B
oklch(14.8% 0.039 272.4)
- #0F0A00
#0F0A00
oklch(14.7% 0.03 92.5)
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 #06091B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.037
- Almost Black #070D0D ΔE 0.038
- Midnight #03012D ΔE 0.049
- Dark Navy Blue #00022E ΔE 0.052
- Dark Navy #000435 ΔE 0.058
- Very Dark Blue #000133 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.082
Use #06091B 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.