#191849
Closest named color: Dark Indigo (#1F0954). oklch(24.5% 0.089 278.5), rgb(25, 24, 73).
Aa
White text reads best on this color (16.55:1).
About this color
#191849 is a very dark, moderately saturated blue. In OKLCH its lightness is 24%, its chroma 0.089 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.036 away. White text reads best on it, at 16.55:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.26:1 |
| White text | 16.55:1 |
Values
| HEX | #191849 |
| RGB | rgb(25, 24, 73) |
| HSL | hsl(241, 51%, 19%) |
| OKLCH | oklch(24.5% 0.089 278.5) |
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 #191849 | 16.55:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #191849 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #191849 text on white | 16.55:1 | AAA | Lc 103.3 | Preferred for body text |
| #191849 text on black | 1.26:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7374FF
oklch(63.1% 0.202 278.6)
-
Step 600
600
#5E53F6
oklch(55.5% 0.234 278.6)
-
Step 700
700
#4E42D6
oklch(49% 0.216 278.4)
-
Step 800
800
#4038AD
oklch(42.7% 0.179 278.7)
-
Step 900
900
#353289
oklch(37.6% 0.14 278.8)
-
Step 950
950 (this color)
#191849
oklch(24.5% 0.089 278.5)
#191849 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) | #00214B | 0.035 |
| Deuteranopia (no green cones) | #001D48 | 0.032 |
| Tritanopia (no blue cones) | #00242D | 0.077 |
| Achromatopsia (no color) | #1F1F1F | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191849
#191849
oklch(24.5% 0.089 278.5)
- #272000
#272000
oklch(24.4% 0.05 97.2)
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 #191849, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.036
- Navy Blue #001146 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.055
- Dark #1B2431 ΔE 0.065
- Rich Black #0D1B2A ΔE 0.065
- Night Blue #040348 ΔE 0.065
- Darkblue #030764 ΔE 0.068
- Midnight Purple #280137 ΔE 0.069
Use #191849 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.