#15180E
Closest named color: Rich Navy (#001219). oklch(20.2% 0.02 121.7), rgb(21, 24, 14).
Aa
White text reads best on this color (17.96:1).
About this color
#15180E is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.052 away. White text reads best on it, at 17.96:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 17.96:1 |
Values
| HEX | #15180E |
| RGB | rgb(21, 24, 14) |
| HSL | hsl(78, 26%, 7%) |
| OKLCH | oklch(20.2% 0.02 121.7) |
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 #15180E | 17.96:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #15180E | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #15180E text on white | 17.96:1 | AAA | Lc 104.7 | Preferred for body text |
| #15180E 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE6
oklch(93.7% 0.007 124.5)
-
Step 200
200
#D7DBD1
oklch(88.6% 0.014 124.6)
-
Step 300
300
#BEC3B3
oklch(80.9% 0.023 121.1)
-
Step 400
400
#9DA58B
oklch(70.8% 0.038 121.3)
-
Step 500
500
#858E6F
oklch(63.1% 0.046 120.9)
-
Step 600
600
#6E7857
oklch(55.5% 0.05 121.7)
-
Step 700
700
#5C6547
oklch(49% 0.047 121.7)
-
Step 800
800
#4B533A
oklch(42.8% 0.041 122.5)
-
Step 900
900
#3F4432
oklch(37.6% 0.03 120.5)
-
Step 950
950 (this color)
#15180E
oklch(20.2% 0.02 121.7)
#15180E 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) | #19170D | 0.008 |
| Deuteranopia (no green cones) | #19170E | 0.008 |
| Tritanopia (no blue cones) | #161715 | 0.015 |
| Achromatopsia (no color) | #171717 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15180E
#15180E
oklch(20.2% 0.02 121.7)
- #18141E
#18141E
oklch(20.1% 0.021 302.9)
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 #15180E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.053
- Almost Black #070D0D ΔE 0.054
- Jet #212529 ΔE 0.065
- Dark Brown #341C02 ΔE 0.069
- Dark #1B2431 ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.076
- Dark Forest Green #002D04 ΔE 0.086
Use #15180E 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.