#1C1A49
Closest named color: Dark Indigo (#1F0954). oklch(25.2% 0.085 280.3), rgb(28, 26, 73).
Aa
White text reads best on this color (16.23:1).
About this color
#1C1A49 is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.085 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.040 away. White text reads best on it, at 16.23:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.29:1 |
| White text | 16.23:1 |
Values
| HEX | #1C1A49 |
| RGB | rgb(28, 26, 73) |
| HSL | hsl(243, 47%, 19%) |
| OKLCH | oklch(25.2% 0.085 280.3) |
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 #1C1A49 | 16.23:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #1C1A49 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #1C1A49 text on white | 16.23:1 | AAA | Lc 103.0 | Preferred for body text |
| #1C1A49 text on black | 1.29:1 | 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
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D1D6FE
oklch(88.5% 0.055 279.6)
-
Step 300
300
#B4BAFF
oklch(80.9% 0.098 280.1)
-
Step 400
400
#8F93FF
oklch(70.7% 0.156 280)
-
Step 500
500
#7772FF
oklch(63% 0.203 280.4)
-
Step 600
600
#6355F0
oklch(55.7% 0.223 280.4)
-
Step 700
700
#5243D1
oklch(49% 0.208 280.2)
-
Step 800
800
#4339A9
oklch(42.7% 0.172 280.3)
-
Step 900
900
#373386
oklch(37.7% 0.134 279.9)
-
Step 950
950 (this color)
#1C1A49
oklch(25.2% 0.085 280.3)
#1C1A49 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) | #00224B | 0.037 |
| Deuteranopia (no green cones) | #001F48 | 0.036 |
| Tritanopia (no blue cones) | #06252E | 0.073 |
| Achromatopsia (no color) | #202020 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C1A49
#1C1A49
oklch(25.2% 0.085 280.3)
- #282200
#282200
oklch(25.1% 0.052 99.5)
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 #1C1A49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.049
- Navy Blue #001146 ΔE 0.053
- Dark #1B2431 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.066
- Dark Purple #35063E ΔE 0.068
- Marine #042E60 ΔE 0.069
- Midnight Purple #280137 ΔE 0.070
Use #1C1A49 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.