#1C193D
Closest named color: Oxford Blue (#1B263B). oklch(23.9% 0.067 283.9), rgb(28, 25, 61).
Aa
White text reads best on this color (16.72:1).
About this color
#1C193D is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.067 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.043 away. White text reads best on it, at 16.72:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.25:1 |
| White text | 16.72:1 |
Values
| HEX | #1C193D |
| RGB | rgb(28, 25, 61) |
| HSL | hsl(245, 42%, 17%) |
| OKLCH | oklch(23.9% 0.067 283.9) |
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 #1C193D | 16.72:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #1C193D | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #1C193D text on white | 16.72:1 | AAA | Lc 103.5 | Preferred for body text |
| #1C193D text on black | 1.25:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF3
oklch(80.9% 0.08 284.5)
-
Step 400
400
#9795EC
oklch(70.7% 0.126 283.7)
-
Step 500
500
#8078E6
oklch(63.1% 0.161 284.1)
-
Step 600
600
#6A5ED4
oklch(55.5% 0.175 283.7)
-
Step 700
700
#594DB8
oklch(49.2% 0.163 283.7)
-
Step 800
800
#494095
oklch(42.8% 0.135 284)
-
Step 900
900
#3C3777
oklch(37.7% 0.106 283.6)
-
Step 950
950 (this color)
#1C193D
oklch(23.9% 0.067 283.9)
#1C193D 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) | #081F3E | 0.031 |
| Deuteranopia (no green cones) | #071D3C | 0.031 |
| Tritanopia (no blue cones) | #112128 | 0.057 |
| Achromatopsia (no color) | #1E1E1E | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C193D
#1C193D
oklch(23.9% 0.067 283.9)
- #232000
#232000
oklch(23.9% 0.051 104.5)
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 #1C193D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.043
- Rich Black #0D1B2A ΔE 0.047
- Dark #1B2431 ΔE 0.047
- Navy Blue #001146 ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.055
- Midnight Purple #280137 ΔE 0.062
- Jet #212529 ΔE 0.064
- Very Dark Purple #2A0134 ΔE 0.065
Use #1C193D 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.