#191734
Closest named color: Rich Black (#0D1B2A). oklch(22.4% 0.055 284.2), rgb(25, 23, 52).
Aa
White text reads best on this color (17.30:1).
About this color
#191734 is a very dark, muted purple. In OKLCH its lightness is 22%, its chroma 0.055 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.032 away. White text reads best on it, at 17.30:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.30:1 |
Values
| HEX | #191734 |
| RGB | rgb(25, 23, 52) |
| HSL | hsl(244, 39%, 15%) |
| OKLCH | oklch(22.4% 0.055 284.2) |
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 #191734 | 17.30:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #191734 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #191734 text on white | 17.30:1 | AAA | Lc 104.1 | Preferred for body text |
| #191734 text on black | 1.21:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BBBCEA
oklch(81% 0.065 283.9)
-
Step 400
400
#9998E0
oklch(70.8% 0.104 284)
-
Step 500
500
#817CD7
oklch(63.1% 0.134 284.3)
-
Step 600
600
#6B64C4
oklch(55.6% 0.145 283.9)
-
Step 700
700
#5A52A9
oklch(49.1% 0.135 284.4)
-
Step 800
800
#494489
oklch(42.7% 0.111 283.9)
-
Step 900
900
#3D3A6E
oklch(37.8% 0.087 284)
-
Step 950
950 (this color)
#191734
oklch(22.4% 0.055 284.2)
#191734 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) | #0B1B35 | 0.023 |
| Deuteranopia (no green cones) | #0A1A33 | 0.024 |
| Tritanopia (no blue cones) | #111D23 | 0.046 |
| Achromatopsia (no color) | #1B1B1B | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191734
#191734
oklch(22.4% 0.055 284.2)
- #1F1C00
#1F1C00
oklch(22.3% 0.047 104)
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 #191734, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.032
- Dark #1B2431 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.050
- Navy Blue #001146 ΔE 0.057
- Jet #212529 ΔE 0.061
- Midnight Purple #280137 ΔE 0.062
- Very Dark Purple #2A0134 ΔE 0.063
- Dark Indigo #1F0954 ΔE 0.068
Use #191734 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.