#241B4C
Closest named color: Dark Indigo (#1F0954). oklch(26.4% 0.087 287.3), rgb(36, 27, 76).
Aa
White text reads best on this color (15.71:1).
About this color
#241B4C is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.087 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.043 away. White text reads best on it, at 15.71:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.33:1 |
| White text | 15.71:1 |
Values
| HEX | #241B4C |
| RGB | rgb(36, 27, 76) |
| HSL | hsl(251, 48%, 20%) |
| OKLCH | oklch(26.4% 0.087 287.3) |
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 #241B4C | 15.71:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #241B4C | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #241B4C text on white | 15.71:1 | AAA | Lc 102.5 | Preferred for body text |
| #241B4C text on black | 1.33:1 | 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
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FE
oklch(88.5% 0.058 287.3)
-
Step 300
300
#BCB7FF
oklch(80.9% 0.101 287.1)
-
Step 400
400
#9C8EFF
oklch(70.8% 0.161 287.2)
-
Step 500
500
#876BFF
oklch(63.1% 0.211 287.5)
-
Step 600
600
#734DEE
oklch(55.7% 0.228 287.4)
-
Step 700
700
#613CCF
oklch(49.1% 0.212 287.4)
-
Step 800
800
#4F33A7
oklch(42.7% 0.175 287.6)
-
Step 900
900
#402F85
oklch(37.7% 0.137 286.9)
-
Step 950
950 (this color)
#241B4C
oklch(26.4% 0.087 287.3)
#241B4C 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) | #00244E | 0.048 |
| Deuteranopia (no green cones) | #00224B | 0.048 |
| Tritanopia (no blue cones) | #172630 | 0.072 |
| Achromatopsia (no color) | #232323 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #241B4C
#241B4C
oklch(26.4% 0.087 287.3)
- #282700
#282700
oklch(26.5% 0.057 108.3)
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 #241B4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.052
- Dark Purple #35063E ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.064
- Dark #1B2431 ΔE 0.065
- Marine #042E60 ΔE 0.067
- Deep Purple #36013F ΔE 0.067
- Midnight Blue #191970 ΔE 0.068
Use #241B4C 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.