#241B4F
Closest named color: Dark Indigo (#1F0954). oklch(26.7% 0.091 286.4), rgb(36, 27, 79).
Aa
White text reads best on this color (15.61:1).
About this color
#241B4F is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.091 and its hue 286°. 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 15.61:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.34:1 |
| White text | 15.61:1 |
Values
| HEX | #241B4F |
| RGB | rgb(36, 27, 79) |
| HSL | hsl(250, 49%, 21%) |
| OKLCH | oklch(26.7% 0.091 286.4) |
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 #241B4F | 15.61:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #241B4F | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #241B4F text on white | 15.61:1 | AAA | Lc 102.3 | Preferred for body text |
| #241B4F text on black | 1.34:1 | 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
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D5D4FF
oklch(88.5% 0.059 286.2)
-
Step 300
300
#BBB7FF
oklch(80.9% 0.101 286.5)
-
Step 400
400
#9A8EFF
oklch(70.6% 0.161 286.3)
-
Step 500
500
#856CFF
oklch(63.1% 0.209 286.6)
-
Step 600
600
#7149F5
oklch(55.5% 0.241 286.3)
-
Step 700
700
#6038D6
oklch(49.2% 0.224 286.5)
-
Step 800
800
#4E30AD
oklch(42.7% 0.186 286.6)
-
Step 900
900
#402D89
oklch(37.7% 0.145 286.7)
-
Step 950
950 (this color)
#241B4F
oklch(26.7% 0.091 286.4)
#241B4F 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) | #002551 | 0.049 |
| Deuteranopia (no green cones) | #00224E | 0.047 |
| Tritanopia (no blue cones) | #152732 | 0.075 |
| Achromatopsia (no color) | #242424 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #241B4F
#241B4F
oklch(26.7% 0.091 286.4)
- #292700
#292700
oklch(26.6% 0.057 106.8)
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 #241B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.055
- Midnight Blue #191970 ΔE 0.063
- Dark Purple #35063E ΔE 0.063
- Marine #042E60 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.066
- Dark #1B2431 ΔE 0.069
- Deep Purple #36013F ΔE 0.069
Use #241B4F 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.