#191736
Closest named color: Rich Black (#0D1B2A). oklch(22.6% 0.059 283.6), rgb(25, 23, 54).
Aa
White text reads best on this color (17.25:1).
About this color
#191736 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.059 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 17.25:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.25:1 |
Values
| HEX | #191736 |
| RGB | rgb(25, 23, 54) |
| HSL | hsl(244, 40%, 15%) |
| OKLCH | oklch(22.6% 0.059 283.6) |
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 #191736 | 17.25:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #191736 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #191736 text on white | 17.25:1 | AAA | Lc 104.0 | Preferred for body text |
| #191736 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D5D6F3
oklch(88.4% 0.04 284)
-
Step 300
300
#BABBED
oklch(80.8% 0.07 283.8)
-
Step 400
400
#9897E4
oklch(70.8% 0.112 283.8)
-
Step 500
500
#807BDC
oklch(63.1% 0.143 283.8)
-
Step 600
600
#6A62C9
oklch(55.5% 0.155 283.7)
-
Step 700
700
#5951AE
oklch(49.2% 0.143 283.7)
-
Step 800
800
#48438D
oklch(42.7% 0.119 283.2)
-
Step 900
900
#3C3970
oklch(37.6% 0.092 283.5)
-
Step 950
950 (this color)
#191736
oklch(22.6% 0.059 283.6)
#191736 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) | #0A1C37 | 0.025 |
| Deuteranopia (no green cones) | #081A35 | 0.026 |
| Tritanopia (no blue cones) | #0F1E23 | 0.052 |
| Achromatopsia (no color) | #1B1B1B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191736
#191736
oklch(22.6% 0.059 283.6)
- #201D00
#201D00
oklch(22.7% 0.048 104.1)
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 #191736, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Dark #1B2431 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.050
- Navy Blue #001146 ΔE 0.054
- Midnight Purple #280137 ΔE 0.061
- Jet #212529 ΔE 0.063
- Very Dark Purple #2A0134 ΔE 0.063
- Dark Indigo #1F0954 ΔE 0.064
Use #191736 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.