#19101F
Closest named color: Rich Black (#0D1B2A). oklch(19.3% 0.032 311.1), rgb(25, 16, 31).
Aa
White text reads best on this color (18.49:1).
About this color
#19101F is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.032 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.042 away. White text reads best on it, at 18.49:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.49:1 |
Values
| HEX | #19101F |
| RGB | rgb(25, 16, 31) |
| HSL | hsl(276, 32%, 9%) |
| OKLCH | oklch(19.3% 0.032 311.1) |
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 #19101F | 18.49:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #19101F | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #19101F text on white | 18.49:1 | AAA | Lc 105.1 | Preferred for body text |
| #19101F 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DED5E4
oklch(88.5% 0.022 312.2)
-
Step 300
300
#C9BAD3
oklch(80.9% 0.038 312)
-
Step 400
400
#AD96BD
oklch(70.7% 0.061 311.3)
-
Step 500
500
#997CAD
oklch(63.1% 0.079 311.1)
-
Step 600
600
#836598
oklch(55.6% 0.084 310.7)
-
Step 700
700
#6F5382
oklch(49% 0.08 310.9)
-
Step 800
800
#5B4469
oklch(42.6% 0.066 312.1)
-
Step 900
900
#4A3A56
oklch(37.7% 0.051 310.1)
-
Step 950
950 (this color)
#19101F
oklch(19.3% 0.032 311.1)
#19101F 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) | #0D1320 | 0.025 |
| Deuteranopia (no green cones) | #0F141F | 0.023 |
| Tritanopia (no blue cones) | #181216 | 0.022 |
| Achromatopsia (no color) | #141414 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19101F
#19101F
oklch(19.3% 0.032 311.1)
- #0F1708
#0F1708
oklch(19.2% 0.031 131.5)
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 #19101F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.042
- Rich Navy #001219 ΔE 0.050
- Almost Black #070D0D ΔE 0.055
- Very Dark Purple #2A0134 ΔE 0.069
- Midnight Purple #280137 ΔE 0.071
- Dark #1B2431 ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.072
- Jet #212529 ΔE 0.075
Use #19101F 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.