#1C144A
Closest named color: Dark Indigo (#1F0954). oklch(24.1% 0.095 283.3), rgb(28, 20, 74).
Aa
White text reads best on this color (16.82:1).
About this color
#1C144A is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.095 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.027 away. White text reads best on it, at 16.82:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.24:1 |
| White text | 16.82:1 |
Values
| HEX | #1C144A |
| RGB | rgb(28, 20, 74) |
| HSL | hsl(249, 57%, 18%) |
| OKLCH | oklch(24.1% 0.095 283.3) |
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 #1C144A | 16.82:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #1C144A | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #1C144A text on white | 16.82:1 | AAA | Lc 103.4 | Preferred for body text |
| #1C144A text on black | 1.24:1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300
#B8B9FF
oklch(81% 0.098 283.3)
-
Step 400
400
#9591FF
oklch(70.8% 0.158 283.2)
-
Step 500
500
#7E6FFF
oklch(63% 0.206 283.5)
-
Step 600
600
#6B48FD
oklch(55.6% 0.251 283.5)
-
Step 700
700
#5A37DD
oklch(49.2% 0.234 283.3)
-
Step 800
800
#4930B2
oklch(42.7% 0.193 283.4)
-
Step 900
900
#3C2D8D
oklch(37.7% 0.151 283.6)
-
Step 950
950 (this color)
#1C144A
oklch(24.1% 0.095 283.3)
#1C144A 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) | #001F4C | 0.043 |
| Deuteranopia (no green cones) | #001B49 | 0.040 |
| Tritanopia (no blue cones) | #06222C | 0.082 |
| Achromatopsia (no color) | #1D1D1D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C144A
#1C144A
oklch(24.1% 0.095 283.3)
- #242000
#242000
oklch(24% 0.051 102.7)
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 #1C144A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.027
- Navy Blue #001146 ΔE 0.047
- Midnight Purple #280137 ΔE 0.061
- Night Blue #040348 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.064
- Dark Purple #35063E ΔE 0.065
- Darkblue #030764 ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.067
Use #1C144A 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.