#151A11
Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.019 131.5), rgb(21, 26, 17).
Aa
White text reads best on this color (17.68:1).
About this color
#151A11 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.049 away. White text reads best on it, at 17.68:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.68:1 |
Values
| HEX | #151A11 |
| RGB | rgb(21, 26, 17) |
| HSL | hsl(93, 21%, 8%) |
| OKLCH | oklch(20.9% 0.019 131.5) |
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 #151A11 | 17.68:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #151A11 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #151A11 text on white | 17.68:1 | AAA | Lc 104.5 | Preferred for body text |
| #151A11 text on black | 1.18:1 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D6DBD3
oklch(88.5% 0.012 133.4)
-
Step 300
300
#BBC4B5
oklch(80.9% 0.023 132.6)
-
Step 400
400
#99A68F
oklch(70.8% 0.036 131.5)
-
Step 500
500
#809073
oklch(63.2% 0.046 131.2)
-
Step 600
600
#697A5B
oklch(55.7% 0.051 131.3)
-
Step 700
700
#57664B
oklch(49% 0.046 131.6)
-
Step 800
800
#47543E
oklch(42.8% 0.039 132.8)
-
Step 900
900
#3C4535
oklch(37.7% 0.029 131.6)
-
Step 950
950 (this color)
#151A11
oklch(20.9% 0.019 131.5)
#151A11 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) | #1B1910 | 0.011 |
| Deuteranopia (no green cones) | #1A1811 | 0.012 |
| Tritanopia (no blue cones) | #151918 | 0.015 |
| Achromatopsia (no color) | #181818 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151A11
#151A11
oklch(20.9% 0.019 131.5)
- #1B161F
#1B161F
oklch(21% 0.019 309.8)
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 #151A11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.049
- Rich Navy #001219 ΔE 0.055
- Jet #212529 ΔE 0.058
- Almost Black #070D0D ΔE 0.059
- Dark #1B2431 ΔE 0.064
- Dark Brown #341C02 ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.081
- Oxford Blue #1B263B ΔE 0.082
Use #151A11 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.