#191641
Closest named color: Dark Indigo (#1F0954). oklch(23.3% 0.079 281.5), rgb(25, 22, 65).
Aa
White text reads best on this color (17.03:1).
About this color
#191641 is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.079 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.044 away. White text reads best on it, at 17.03:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.23:1 |
| White text | 17.03:1 |
Values
| HEX | #191641 |
| RGB | rgb(25, 22, 65) |
| HSL | hsl(244, 49%, 17%) |
| OKLCH | oklch(23.3% 0.079 281.5) |
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 #191641 | 17.03:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #191641 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #191641 text on white | 17.03:1 | AAA | Lc 103.8 | Preferred for body text |
| #191641 text on black | 1.23:1 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D3D6FB
oklch(88.6% 0.051 281.6)
-
Step 300
300
#B6BAFC
oklch(80.9% 0.093 281.4)
-
Step 400
400
#9293FB
oklch(70.7% 0.15 281.4)
-
Step 500
500
#7A74F8
oklch(63.1% 0.191 281.5)
-
Step 600
600
#6558E7
oklch(55.6% 0.208 281.3)
-
Step 700
700
#5547C9
oklch(49.2% 0.193 281.5)
-
Step 800
800
#453BA2
oklch(42.6% 0.16 281.6)
-
Step 900
900
#393481
oklch(37.6% 0.126 281.4)
-
Step 950
950 (this color)
#191641
oklch(23.3% 0.079 281.5)
#191641 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) | #001E42 | 0.037 |
| Deuteranopia (no green cones) | #001A40 | 0.035 |
| Tritanopia (no blue cones) | #072028 | 0.068 |
| Achromatopsia (no color) | #1C1C1C | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191641
#191641
oklch(23.3% 0.079 281.5)
- #231E00
#231E00
oklch(23.4% 0.049 100.5)
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 #191641, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.044
- Navy Blue #001146 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.054
- Oxford Blue #1B263B ΔE 0.055
- Midnight Purple #280137 ΔE 0.060
- Dark #1B2431 ΔE 0.060
- Night Blue #040348 ΔE 0.063
- Very Dark Purple #2A0134 ΔE 0.064
Use #191641 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.