#06181D
Closest named color: Rich Navy (#001219). oklch(19.6% 0.026 218), rgb(6, 24, 29).
Aa
White text reads best on this color (18.16:1).
About this color
#06181D is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.028 away. White text reads best on it, at 18.16:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.15:1 |
| White text | 18.16:1 |
Values
| HEX | #06181D |
| RGB | rgb(6, 24, 29) |
| HSL | hsl(193, 66%, 7%) |
| OKLCH | oklch(19.6% 0.026 218) |
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 #06181D | 18.16:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #06181D | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #06181D text on white | 18.16:1 | AAA | Lc 104.8 | Preferred for body text |
| #06181D text on black | 1.15:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#ABC6CE
oklch(80.9% 0.031 217.5)
-
Step 400
400
#7EA9B5
oklch(70.8% 0.049 216.8)
-
Step 500
500
#5B93A3
oklch(63.1% 0.064 218)
-
Step 600
600
#3F7D8E
oklch(55.5% 0.069 218)
-
Step 700
700
#316A79
oklch(49.2% 0.064 217.4)
-
Step 800
800
#295662
oklch(42.6% 0.053 217.5)
-
Step 900
900
#264750
oklch(37.7% 0.042 217.4)
-
Step 950
950 (this color)
#06181D
oklch(19.6% 0.026 218)
#06181D 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) | #15171D | 0.023 |
| Deuteranopia (no green cones) | #11141D | 0.021 |
| Tritanopia (no blue cones) | #001A1A | 0.014 |
| Achromatopsia (no color) | #161616 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06181D
#06181D
oklch(19.6% 0.026 218)
- #1F110C
#1F110C
oklch(19.5% 0.026 40.4)
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 #06181D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.029
- Almost Black #070D0D ΔE 0.047
- Dark #1B2431 ΔE 0.064
- Jet #212529 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.079
- Navy Blue #001146 ΔE 0.087
- Dark Navy #000435 ΔE 0.088
Use #06181D 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.