#13121E
Closest named color: Rich Black (#0D1B2A). oklch(19% 0.024 287.7), rgb(19, 18, 30).
Aa
White text reads best on this color (18.53:1).
About this color
#13121E is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 18.53:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.53:1 |
Values
| HEX | #13121E |
| RGB | rgb(19, 18, 30) |
| HSL | hsl(245, 25%, 9%) |
| OKLCH | oklch(19% 0.024 287.7) |
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 #13121E | 18.53:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #13121E | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #13121E text on white | 18.53:1 | AAA | Lc 105.1 | Preferred for body text |
| #13121E text on black | 1.13:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D8D8E3
oklch(88.5% 0.015 286.1)
-
Step 300
300
#BFBED3
oklch(80.9% 0.029 287.9)
-
Step 400
400
#9E9DBC
oklch(70.7% 0.045 286.7)
-
Step 500
500
#8784AC
oklch(63.1% 0.06 288)
-
Step 600
600
#716E97
oklch(55.7% 0.063 287.5)
-
Step 700
700
#5F5C81
oklch(49.2% 0.059 287.7)
-
Step 800
800
#4D4B69
oklch(42.7% 0.049 287.2)
-
Step 900
900
#403F55
oklch(37.8% 0.037 286.5)
-
Step 950
950 (this color)
#13121E
oklch(19% 0.024 287.7)
#13121E 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) | #0F141F | 0.010 |
| Deuteranopia (no green cones) | #0F131E | 0.008 |
| Tritanopia (no blue cones) | #101416 | 0.021 |
| Achromatopsia (no color) | #131313 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13121E
#13121E
oklch(19% 0.024 287.7)
- #151508
#151508
oklch(19.2% 0.024 108.5)
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 #13121E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Rich Navy #001219 ΔE 0.037
- Almost Black #070D0D ΔE 0.046
- Dark #1B2431 ΔE 0.070
- Jet #212529 ΔE 0.075
- Very Dark Brown #1D0200 ΔE 0.076
- Dark Navy #000435 ΔE 0.080
- Midnight #03012D ΔE 0.081
Use #13121E 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.