#1D150F
Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.017 58.4), rgb(29, 21, 15).
Aa
White text reads best on this color (18.00:1).
About this color
#1D150F is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.054 away. White text reads best on it, at 18.00:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.00:1 |
Values
| HEX | #1D150F |
| RGB | rgb(29, 21, 15) |
| HSL | hsl(26, 32%, 9%) |
| OKLCH | oklch(20.4% 0.017 58.4) |
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 #1D150F | 18.00:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1D150F | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #1D150F text on white | 18.00:1 | AAA | Lc 104.7 | Preferred for body text |
| #1D150F text on black | 1.16:1 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E6
oklch(93.6% 0.006 59.6)
-
Step 200
200
#DFD7D2
oklch(88.4% 0.011 54.5)
-
Step 300
300
#CBBEB4
oklch(80.9% 0.02 60.1)
-
Step 400
400
#B19C8D
oklch(70.7% 0.033 57.7)
-
Step 500
500
#9D8471
oklch(63.1% 0.041 59.2)
-
Step 600
600
#886D59
oklch(55.6% 0.045 58.2)
-
Step 700
700
#735B49
oklch(49% 0.042 58.4)
-
Step 800
800
#5E4A3C
oklch(42.6% 0.035 56.6)
-
Step 900
900
#4D3E33
oklch(37.6% 0.028 58)
-
Step 950
950 (this color)
#1D150F
oklch(20.4% 0.017 58.4)
#1D150F 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) | #17160F | 0.013 |
| Deuteranopia (no green cones) | #19170F | 0.011 |
| Tritanopia (no blue cones) | #1F1313 | 0.013 |
| Achromatopsia (no color) | #171717 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D150F
#1D150F
oklch(20.4% 0.017 58.4)
- #0F181E
#0F181E
oklch(20.3% 0.018 238)
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 #1D150F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.054
- Almost Black #070D0D ΔE 0.057
- Rich Navy #001219 ΔE 0.060
- Dark Brown #341C02 ΔE 0.062
- Jet #212529 ΔE 0.064
- Very Dark Brown #1D0200 ΔE 0.065
- Dark #1B2431 ΔE 0.070
- Dark Maroon #3C0008 ΔE 0.080
Use #1D150F 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.