#191A2A
Closest named color: Rich Black (#0D1B2A). oklch(22.5% 0.031 280.8), rgb(25, 26, 42).
Aa
White text reads best on this color (17.17:1).
About this color
#191A2A is a very dark, muted purple. In OKLCH its lightness is 22%, its chroma 0.031 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.019 away. White text reads best on it, at 17.17:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.17:1 |
Values
| HEX | #191A2A |
| RGB | rgb(25, 26, 42) |
| HSL | hsl(236, 25%, 13%) |
| OKLCH | oklch(22.5% 0.031 280.8) |
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 #191A2A | 17.17:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #191A2A | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #191A2A text on white | 17.17:1 | AAA | Lc 104.1 | Preferred for body text |
| #191A2A text on black | 1.22:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300
#BCBED9
oklch(80.9% 0.038 282.2)
-
Step 400
400
#999DC5
oklch(70.7% 0.058 280.3)
-
Step 500
500
#8184B7
oklch(63% 0.077 281.4)
-
Step 600
600
#6B6EA2
oklch(55.7% 0.08 280.9)
-
Step 700
700
#595B8B
oklch(49% 0.077 281.3)
-
Step 800
800
#494B71
oklch(42.8% 0.063 281.1)
-
Step 900
900
#3D3F5B
oklch(37.8% 0.048 280.7)
-
Step 950
950 (this color)
#191A2A
oklch(22.5% 0.031 280.8)
#191A2A 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) | #151C2B | 0.009 |
| Deuteranopia (no green cones) | #141B2A | 0.009 |
| Tritanopia (no blue cones) | #151D20 | 0.027 |
| Achromatopsia (no color) | #1B1B1B | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191A2A
#191A2A
oklch(22.5% 0.031 280.8)
- #1F1C0A
#1F1C0A
oklch(22.5% 0.031 100)
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 #191A2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.019
- Dark #1B2431 ΔE 0.035
- Jet #212529 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.047
- Rich Navy #001219 ΔE 0.064
- Navy Blue #001146 ΔE 0.075
- Very Dark Purple #2A0134 ΔE 0.078
- Midnight Purple #280137 ΔE 0.078
Use #191A2A 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.