#151C0D
Closest named color: Rich Black (#0D1B2A). oklch(21.4% 0.03 129), rgb(21, 28, 13).
Aa
White text reads best on this color (17.44:1).
About this color
#151C0D is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.057 away. White text reads best on it, at 17.44:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.44:1 |
Values
| HEX | #151C0D |
| RGB | rgb(21, 28, 13) |
| HSL | hsl(88, 37%, 8%) |
| OKLCH | oklch(21.4% 0.03 129) |
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 #151C0D | 17.44:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #151C0D | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #151C0D text on white | 17.44:1 | AAA | Lc 104.3 | Preferred for body text |
| #151C0D text on black | 1.20:1 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E8EBE4
oklch(93.6% 0.01 125.7)
-
Step 200
200
#D5DCCE
oklch(88.5% 0.02 128.7)
-
Step 300
300
#BAC5AE
oklch(80.9% 0.034 128.1)
-
Step 400
400
#96A883
oklch(70.8% 0.056 128.9)
-
Step 500
500
#7C9263
oklch(63% 0.072 128.7)
-
Step 600
600
#657C4A
oklch(55.5% 0.078 128.8)
-
Step 700
700
#54693B
oklch(49.2% 0.073 128.8)
-
Step 800
800
#455531
oklch(42.6% 0.059 128.2)
-
Step 900
900
#3A472C
oklch(37.8% 0.047 129.3)
-
Step 950
950 (this color)
#151C0D
oklch(21.4% 0.03 129)
#151C0D 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) | #1D1A0C | 0.016 |
| Deuteranopia (no green cones) | #1C1A0E | 0.015 |
| Tritanopia (no blue cones) | #161B18 | 0.022 |
| Achromatopsia (no color) | #1A1A1A | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151C0D
#151C0D
oklch(21.4% 0.03 129)
- #1D1524
#1D1524
oklch(21.3% 0.031 308.3)
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 #151C0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.057
- Jet #212529 ΔE 0.059
- Dark Brown #341C02 ΔE 0.063
- Rich Navy #001219 ΔE 0.064
- Dark #1B2431 ΔE 0.068
- Almost Black #070D0D ΔE 0.068
- Dark Forest Green #002D04 ΔE 0.070
- Very Dark Green #062E03 ΔE 0.073
Use #151C0D 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.