#4B4987
Closest named color: Twilight (#4E518B). oklch(43.8% 0.1 282.9), rgb(75, 73, 135).
Aa
White text reads best on this color (8.07:1).
About this color
#4B4987 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.100 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.023 away. White text reads best on it, at 8.07:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #4B4987 |
| RGB | rgb(75, 73, 135) |
| HSL | hsl(242, 30%, 41%) |
| OKLCH | oklch(43.8% 0.1 282.9) |
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 #4B4987 | 8.07:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #4B4987 | 2.60:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #4B4987 text on white | 8.07:1 | AAA | Lc 87.8 | Fine for body text |
| #4B4987 text on black | 2.60:1 | Fails | Lc -14.3 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EF
oklch(88.5% 0.033 281.9)
-
Step 300
300
#BBBCE6
oklch(80.8% 0.059 283.9)
-
Step 400
400
#9899DA
oklch(70.7% 0.094 283)
-
Step 500
500
#807FCF
oklch(63.1% 0.119 283)
-
Step 600
600
#6A67BC
oklch(55.6% 0.129 282.9)
-
Step 700
700
#5855A2
oklch(49% 0.12 282.8)
-
Step 800
800 (this color)
#4B4987
oklch(43.8% 0.1 282.9)
-
Step 900
900
#3C3B6A
oklch(37.7% 0.079 282.9)
-
Step 950
950
#23233E
oklch(27% 0.05 282.6)
#4B4987 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) | #315289 | 0.040 |
| Deuteranopia (no green cones) | #2F4E86 | 0.039 |
| Tritanopia (no blue cones) | #385661 | 0.087 |
| Achromatopsia (no color) | #505050 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4987
#4B4987
oklch(43.8% 0.1 282.9)
- #5C5300
#5C5300
oklch(43.7% 0.092 102.2)
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 #4B4987, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.023
- Dark Slate Blue #483D8B ΔE 0.035
- Dusk #4E5481 ΔE 0.036
- Blueberry #464196 ΔE 0.036
- Dusk Blue #26538D ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.057
- Cobalt #1E488F ΔE 0.057
Use #4B4987 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.