#4B4783
Closest named color: Twilight (#4E518B). oklch(43.1% 0.097 284.6), rgb(75, 71, 131).
Aa
White text reads best on this color (8.30:1).
About this color
#4B4783 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.097 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.030 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #4B4783 |
| RGB | rgb(75, 71, 131) |
| HSL | hsl(244, 30%, 40%) |
| OKLCH | oklch(43.1% 0.097 284.6) |
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 #4B4783 | 8.30:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #4B4783 | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #4B4783 text on white | 8.30:1 | AAA | Lc 88.6 | Fine for body text |
| #4B4783 text on black | 2.52:1 | Fails | Lc -13.6 | 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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BCBCE5
oklch(80.9% 0.058 285)
-
Step 400
400
#9A99D8
oklch(70.8% 0.091 284.5)
-
Step 500
500
#827FCD
oklch(63.2% 0.116 284.3)
-
Step 600
600
#6C67BA
oklch(55.7% 0.126 284.2)
-
Step 700
700
#5B55A0
oklch(49.2% 0.117 284.9)
-
Step 800
800 (this color)
#4B4783
oklch(43.1% 0.097 284.6)
-
Step 900
900
#3D3B68
oklch(37.6% 0.076 284.2)
-
Step 950
950
#24233D
oklch(27.1% 0.048 284.5)
#4B4783 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) | #315085 | 0.040 |
| Deuteranopia (no green cones) | #2F4C82 | 0.039 |
| Tritanopia (no blue cones) | #3A535E | 0.084 |
| Achromatopsia (no color) | #4E4E4E | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4783
#4B4783
oklch(43.1% 0.097 284.6)
- #585200
#585200
oklch(43.1% 0.091 104.7)
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 #4B4783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.038
- Dusk #4E5481 ΔE 0.039
- Dusk Blue #26538D ΔE 0.053
- Cobalt #1E488F ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.058
- Dusty Grape #545775 ΔE 0.060
Use #4B4783 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.