#4A487C
Closest named color: Twilight (#4E518B). oklch(42.8% 0.085 284), rgb(74, 72, 124).
Aa
White text reads best on this color (8.36:1).
About this color
#4A487C is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.085 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.033 away. White text reads best on it, at 8.36:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #4A487C |
| RGB | rgb(74, 72, 124) |
| HSL | hsl(242, 27%, 38%) |
| OKLCH | oklch(42.8% 0.085 284) |
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 #4A487C | 8.36:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #4A487C | 2.50:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #4A487C text on white | 8.36:1 | AAA | Lc 88.8 | Fine for body text |
| #4A487C text on black | 2.50:1 | Fails | Lc -13.4 | 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
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EB
oklch(88.4% 0.027 283.5)
-
Step 300
300
#BCBDE0
oklch(80.9% 0.049 284)
-
Step 400
400
#9A9AD1
oklch(70.6% 0.08 284.2)
-
Step 500
500
#8281C5
oklch(63.2% 0.101 283.8)
-
Step 600
600
#6C69B1
oklch(55.6% 0.11 284.1)
-
Step 700
700
#5A5798
oklch(49% 0.102 284)
-
Step 800
800 (this color)
#4A487C
oklch(42.8% 0.085 284)
-
Step 900
900
#3D3C63
oklch(37.6% 0.066 283.9)
-
Step 950
950
#24243A
oklch(27.1% 0.041 283.4)
#4A487C 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) | #364F7E | 0.032 |
| Deuteranopia (no green cones) | #354C7B | 0.031 |
| Tritanopia (no blue cones) | #3C525C | 0.072 |
| Achromatopsia (no color) | #4E4E4E | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A487C
#4A487C
oklch(42.8% 0.085 284)
- #57510B
#57510B
oklch(42.8% 0.085 104.2)
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 #4A487C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.033
- Dusk #4E5481 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.042
- Blueberry #464196 ΔE 0.050
- Dusty Grape #545775 ΔE 0.053
- Dusk Blue #26538D ΔE 0.053
- YInMn Blue #415A77 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.058
Use #4A487C 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.