#1C113F
Closest named color: Dark Indigo (#1F0954). oklch(22.4% 0.083 288.9), rgb(28, 17, 63).
Aa
White text reads best on this color (17.48:1).
About this color
#1C113F is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.083 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.041 away. White text reads best on it, at 17.48:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.20:1 |
| White text | 17.48:1 |
Values
| HEX | #1C113F |
| RGB | rgb(28, 17, 63) |
| HSL | hsl(254, 58%, 16%) |
| OKLCH | oklch(22.4% 0.083 288.9) |
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 #1C113F | 17.48:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #1C113F | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #1C113F text on white | 17.48:1 | AAA | Lc 104.1 | Preferred for body text |
| #1C113F text on black | 1.20:1 | 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
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D7D4FC
oklch(88.5% 0.055 288.7)
-
Step 300
300
#BEB6FD
oklch(80.8% 0.1 289.1)
-
Step 400
400
#9F8DFC
oklch(70.7% 0.159 289.1)
-
Step 500
500
#896CF9
oklch(63% 0.202 288.7)
-
Step 600
600
#754EE8
oklch(55.5% 0.22 288.8)
-
Step 700
700
#633ECA
oklch(49.1% 0.204 288.7)
-
Step 800
800
#5134A3
oklch(42.7% 0.169 289.2)
-
Step 900
900
#423081
oklch(37.7% 0.13 288.8)
-
Step 950
950 (this color)
#1C113F
oklch(22.4% 0.083 288.9)
#1C113F 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) | #001B40 | 0.046 |
| Deuteranopia (no green cones) | #00183E | 0.044 |
| Tritanopia (no blue cones) | #101C26 | 0.067 |
| Achromatopsia (no color) | #1A1A1A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C113F
#1C113F
oklch(22.4% 0.083 288.9)
- #1E1D00
#1E1D00
oklch(22.5% 0.048 107.9)
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 #1C113F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.041
- Midnight Purple #280137 ΔE 0.046
- Navy Blue #001146 ΔE 0.048
- Very Dark Purple #2A0134 ΔE 0.051
- Dark Purple #35063E ΔE 0.059
- Rich Black #0D1B2A ΔE 0.060
- Night Blue #040348 ΔE 0.062
- Deep Purple #36013F ΔE 0.064
Use #1C113F 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.