#19103A
Closest named color: Navy Blue (#001146). oklch(21.4% 0.077 287.9), rgb(25, 16, 58).
Aa
White text reads best on this color (17.84:1).
About this color
#19103A is a very dark, moderately saturated purple. In OKLCH its lightness is 21%, its chroma 0.077 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.046 away. White text reads best on it, at 17.84:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.17:1 |
| White text | 17.84:1 |
Values
| HEX | #19103A |
| RGB | rgb(25, 16, 58) |
| HSL | hsl(253, 57%, 15%) |
| OKLCH | oklch(21.4% 0.077 287.9) |
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 #19103A | 17.84:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #19103A | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #19103A text on white | 17.84:1 | AAA | Lc 104.4 | Preferred for body text |
| #19103A text on black | 1.17:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D7D5FA
oklch(88.6% 0.051 287.8)
-
Step 300
300
#BDB8F9
oklch(81% 0.091 287.7)
-
Step 400
400
#9D90F6
oklch(70.7% 0.146 287.9)
-
Step 500
500
#8770F2
oklch(63% 0.187 287.9)
-
Step 600
600
#7354E1
oklch(55.6% 0.204 288)
-
Step 700
700
#6143C3
oklch(49.1% 0.189 288.1)
-
Step 800
800
#4F389E
oklch(42.7% 0.158 288.2)
-
Step 900
900
#41327D
oklch(37.7% 0.122 288.3)
-
Step 950
950 (this color)
#19103A
oklch(21.4% 0.077 287.9)
#19103A 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) | #00183B | 0.041 |
| Deuteranopia (no green cones) | #001639 | 0.041 |
| Tritanopia (no blue cones) | #0E1A23 | 0.063 |
| Achromatopsia (no color) | #171717 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19103A
#19103A
oklch(21.4% 0.077 287.9)
- #1B1B00
#1B1B00
oklch(21.5% 0.047 109.8)
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 #19103A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.046
- Midnight Purple #280137 ΔE 0.047
- Dark Indigo #1F0954 ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.053
- Night Blue #040348 ΔE 0.059
- Dark Purple #35063E ΔE 0.065
- Dark Navy #000435 ΔE 0.067
Use #19103A 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.