#151A13
Closest named color: Rich Black (#0D1B2A). oklch(21% 0.015 136.8), rgb(21, 26, 19).
Aa
White text reads best on this color (17.66:1).
About this color
#151A13 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.045 away. White text reads best on it, at 17.66:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.66:1 |
Values
| HEX | #151A13 |
| RGB | rgb(21, 26, 19) |
| HSL | hsl(103, 16%, 9%) |
| OKLCH | oklch(21% 0.015 136.8) |
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 #151A13 | 17.66:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #151A13 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #151A13 text on white | 17.66:1 | AAA | Lc 104.5 | Preferred for body text |
| #151A13 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
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D6DBD4
oklch(88.6% 0.011 136.6)
-
Step 300
300
#BBC4B8
oklch(81% 0.019 137.8)
-
Step 400
400
#98A593
oklch(70.6% 0.03 136.9)
-
Step 500
500
#7F8F79
oklch(63.1% 0.037 137.1)
-
Step 600
600
#687962
oklch(55.5% 0.04 137.6)
-
Step 700
700
#576651
oklch(49.1% 0.038 136.8)
-
Step 800
800
#475342
oklch(42.6% 0.031 136.5)
-
Step 900
900
#3C4538
oklch(37.8% 0.025 136)
-
Step 950
950 (this color)
#151A13
oklch(21% 0.015 136.8)
#151A13 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) | #1B1913 | 0.012 |
| Deuteranopia (no green cones) | #1A1813 | 0.012 |
| Tritanopia (no blue cones) | #151918 | 0.012 |
| Achromatopsia (no color) | #191919 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151A13
#151A13
oklch(21% 0.015 136.8)
- #1B161D
#1B161D
oklch(20.9% 0.016 316.3)
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 #151A13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.045
- Rich Navy #001219 ΔE 0.053
- Jet #212529 ΔE 0.056
- Almost Black #070D0D ΔE 0.059
- Dark #1B2431 ΔE 0.061
- Dark Brown #341C02 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.079
- Dark Forest Green #002D04 ΔE 0.083
Use #151A13 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.