#131710
Closest named color: Rich Navy (#001219). oklch(19.8% 0.015 132), rgb(19, 23, 16).
Aa
White text reads best on this color (18.13:1).
About this color
#131710 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.045 away. White text reads best on it, at 18.13:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.15:1 |
| White text | 18.13:1 |
Values
| HEX | #131710 |
| RGB | rgb(19, 23, 16) |
| HSL | hsl(94, 18%, 8%) |
| OKLCH | oklch(19.8% 0.015 132) |
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 #131710 | 18.13:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #131710 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #131710 text on white | 18.13:1 | AAA | Lc 104.8 | Preferred for body text |
| #131710 text on black | 1.15:1 | 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
#E8EAE7
oklch(93.5% 0.005 134.9)
-
Step 200
200
#D7DAD4
oklch(88.4% 0.009 128.6)
-
Step 300
300
#BCC3B8
oklch(80.9% 0.017 133.8)
-
Step 400
400
#9AA593
oklch(70.8% 0.029 133.1)
-
Step 500
500
#818E78
oklch(63% 0.036 132.5)
-
Step 600
600
#6B7861
oklch(55.5% 0.038 131.7)
-
Step 700
700
#596550
oklch(49% 0.036 131.9)
-
Step 800
800
#495342
oklch(42.8% 0.03 132.5)
-
Step 900
900
#3D4437
oklch(37.6% 0.023 130.6)
-
Step 950
950 (this color)
#131710
oklch(19.8% 0.015 132)
#131710 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) | #181610 | 0.010 |
| Deuteranopia (no green cones) | #171610 | 0.008 |
| Tritanopia (no blue cones) | #131615 | 0.012 |
| Achromatopsia (no color) | #161616 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #131710, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.045
- Almost Black #070D0D ΔE 0.047
- Rich Black #0D1B2A ΔE 0.049
- Jet #212529 ΔE 0.068
- Dark #1B2431 ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.074
- Dark Brown #341C02 ΔE 0.075
- Oxford Blue #1B263B ΔE 0.089
Use #131710 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.