#19121A
Closest named color: Rich Black (#0D1B2A). oklch(19.5% 0.019 322.1), rgb(25, 18, 26).
Aa
White text reads best on this color (18.37:1).
About this color
#19121A is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.041 away. White text reads best on it, at 18.37:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.37:1 |
Values
| HEX | #19121A |
| RGB | rgb(25, 18, 26) |
| HSL | hsl(293, 18%, 9%) |
| OKLCH | oklch(19.5% 0.019 322.1) |
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 #19121A | 18.37:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #19121A | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #19121A text on white | 18.37:1 | AAA | Lc 105.0 | Preferred for body text |
| #19121A text on black | 1.14:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8EC
oklch(93.5% 0.007 325.6)
-
Step 200
200
#DDD6DE
oklch(88.4% 0.013 321.9)
-
Step 300
300
#C8BCC9
oklch(80.9% 0.022 323.5)
-
Step 400
400
#AC99AE
oklch(70.6% 0.037 323)
-
Step 500
500
#97809A
oklch(63% 0.047 322.4)
-
Step 600
600
#826A85
oklch(55.7% 0.05 322.6)
-
Step 700
700
#6E5871
oklch(49.1% 0.048 322.3)
-
Step 800
800
#59485C
oklch(42.7% 0.039 321.3)
-
Step 900
900
#493C4B
oklch(37.6% 0.03 321.8)
-
Step 950
950 (this color)
#19121A
oklch(19.5% 0.019 322.1)
#19121A 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) | #11141A | 0.017 |
| Deuteranopia (no green cones) | #13151A | 0.016 |
| Tritanopia (no blue cones) | #191315 | 0.012 |
| Achromatopsia (no color) | #141414 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19121A
#19121A
oklch(19.5% 0.019 322.1)
- #10170F
#10170F
oklch(19.4% 0.019 141.5)
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 #19121A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.041
- Rich Navy #001219 ΔE 0.047
- Almost Black #070D0D ΔE 0.050
- Very Dark Brown #1D0200 ΔE 0.067
- Dark #1B2431 ΔE 0.068
- Jet #212529 ΔE 0.070
- Very Dark Purple #2A0134 ΔE 0.081
- Oxford Blue #1B263B ΔE 0.083
Use #19121A 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.