#0A150F
Closest named color: Rich Navy (#001219). oklch(18.3% 0.02 159.7), rgb(10, 21, 15).
Aa
White text reads best on this color (18.63:1).
About this color
#0A150F is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.032 away. White text reads best on it, at 18.63:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.12:1 |
| White text | 18.63:1 |
Values
| HEX | #0A150F |
| RGB | rgb(10, 21, 15) |
| HSL | hsl(147, 35%, 6%) |
| OKLCH | oklch(18.3% 0.02 159.7) |
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 #0A150F | 18.63:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #0A150F | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #0A150F text on white | 18.63:1 | AAA | Lc 105.2 | Preferred for body text |
| #0A150F text on black | 1.12:1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD6
oklch(88.5% 0.013 159.9)
-
Step 300
300
#B4C6BB
oklch(81% 0.025 159)
-
Step 400
400
#8DA898
oklch(70.6% 0.038 159.3)
-
Step 500
500
#70937F
oklch(63.1% 0.049 159.5)
-
Step 600
600
#587D68
oklch(55.5% 0.053 159.2)
-
Step 700
700
#486A57
oklch(49.2% 0.05 159.4)
-
Step 800
800
#3B5647
oklch(42.7% 0.041 159.7)
-
Step 900
900
#33473C
oklch(37.7% 0.031 160.4)
-
Step 950
950 (this color)
#0A150F
oklch(18.3% 0.02 159.7)
#0A150F 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) | #15130F | 0.020 |
| Deuteranopia (no green cones) | #13120F | 0.019 |
| Tritanopia (no blue cones) | #081513 | 0.008 |
| Achromatopsia (no color) | #131313 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A150F
#0A150F
oklch(18.3% 0.02 159.7)
- #180F15
#180F15
oklch(18.3% 0.019 339.2)
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 #0A150F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.032
- Almost Black #070D0D ΔE 0.033
- Rich Black #0D1B2A ΔE 0.054
- Very Dark Brown #1D0200 ΔE 0.075
- Jet #212529 ΔE 0.082
- Dark #1B2431 ΔE 0.084
- Dark Brown #341C02 ΔE 0.092
- Dark Forest Green #002D04 ΔE 0.099
Use #0A150F 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.