#19151C
Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.015 310.6), rgb(25, 21, 28).
Aa
White text reads best on this color (18.02:1).
About this color
#19151C 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 Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 18.02:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.02:1 |
Values
| HEX | #19151C |
| RGB | rgb(25, 21, 28) |
| HSL | hsl(274, 14%, 10%) |
| OKLCH | oklch(20.4% 0.015 310.6) |
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 #19151C | 18.02:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #19151C | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #19151C text on white | 18.02:1 | AAA | Lc 104.8 | Preferred for body text |
| #19151C 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DBD7DE
oklch(88.4% 0.01 311.2)
-
Step 300
300
#C4BEC9
oklch(81% 0.017 310.1)
-
Step 400
400
#A69CAE
oklch(70.7% 0.028 310.3)
-
Step 500
500
#90849A
oklch(63.1% 0.035 309.7)
-
Step 600
600
#7B6D85
oklch(55.6% 0.04 311.1)
-
Step 700
700
#675B70
oklch(49% 0.036 310.6)
-
Step 800
800
#544A5C
oklch(42.6% 0.032 310)
-
Step 900
900
#463E4B
oklch(37.7% 0.024 312.5)
-
Step 950
950 (this color)
#19151C
oklch(20.4% 0.015 310.6)
#19151C 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) | #14161C | 0.010 |
| Deuteranopia (no green cones) | #15171C | 0.010 |
| Tritanopia (no blue cones) | #191617 | 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 #19151C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Rich Navy #001219 ΔE 0.049
- Almost Black #070D0D ΔE 0.055
- Dark #1B2431 ΔE 0.059
- Jet #212529 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.074
- Very Dark Brown #1D0200 ΔE 0.076
- Dark Brown #341C02 ΔE 0.079
Use #19151C 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.