#131910
Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.02 135.3), rgb(19, 25, 16).
Aa
White text reads best on this color (17.88:1).
About this color
#131910 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 Black (#0D1B2A), ΔE 0.049 away. White text reads best on it, at 17.88:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.88:1 |
Values
| HEX | #131910 |
| RGB | rgb(19, 25, 16) |
| HSL | hsl(100, 22%, 8%) |
| OKLCH | oklch(20.4% 0.02 135.3) |
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 #131910 | 17.88:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #131910 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #131910 text on white | 17.88:1 | AAA | Lc 104.6 | Preferred for body text |
| #131910 text on black | 1.17:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D5DBD3
oklch(88.5% 0.013 137.8)
-
Step 300
300
#BAC4B5
oklch(80.8% 0.023 135)
-
Step 400
400
#97A68F
oklch(70.7% 0.037 134.6)
-
Step 500
500
#7D9074
oklch(63% 0.046 135.6)
-
Step 600
600
#667A5C
oklch(55.5% 0.051 135.3)
-
Step 700
700
#55674C
oklch(49.1% 0.047 135.3)
-
Step 800
800
#45543E
oklch(42.6% 0.04 135.8)
-
Step 900
900
#3A4535
oklch(37.5% 0.03 135.9)
-
Step 950
950 (this color)
#131910
oklch(20.4% 0.02 135.3)
#131910 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) | #1A180F | 0.013 |
| Deuteranopia (no green cones) | #191710 | 0.013 |
| Tritanopia (no blue cones) | #131817 | 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°).
- #131910
#131910
oklch(20.4% 0.02 135.3)
- #1A141D
#1A141D
oklch(20.3% 0.02 314.4)
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 #131910, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.049
- Rich Navy #001219 ΔE 0.050
- Almost Black #070D0D ΔE 0.054
- Jet #212529 ΔE 0.063
- Dark #1B2431 ΔE 0.068
- Dark Brown #341C02 ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.081
- Dark Forest Green #002D04 ΔE 0.084
Use #131910 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.