#4F507A
Closest named color: Dusk (#4E5481). oklch(44.9% 0.068 282.2), rgb(79, 80, 122).
Aa
White text reads best on this color (7.60:1).
About this color
#4F507A is a dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.068 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.014 away. White text reads best on it, at 7.60:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #4F507A |
| RGB | rgb(79, 80, 122) |
| HSL | hsl(239, 21%, 39%) |
| OKLCH | oklch(44.9% 0.068 282.2) |
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 #4F507A | 7.60:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #4F507A | 2.76:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #4F507A text on white | 7.60:1 | AAA | Lc 86.4 | Fine for body text |
| #4F507A text on black | 2.76:1 | Fails | Lc -15.7 | Dividers and decoration only |
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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D8E8
oklch(88.5% 0.022 280.3)
-
Step 300
300
#BCBEDA
oklch(80.9% 0.039 282.2)
-
Step 400
400
#9A9CC8
oklch(70.7% 0.064 282.6)
-
Step 500
500
#8183BA
oklch(63% 0.082 282.1)
-
Step 600
600
#6B6CA6
oklch(55.5% 0.089 282.3)
-
Step 700
700
#5A5A8E
oklch(49% 0.083 282.9)
-
Step 800
800 (this color)
#4F507A
oklch(44.9% 0.068 282.2)
-
Step 900
900
#3D3E5D
oklch(37.7% 0.053 282.1)
-
Step 950
950
#242437
oklch(26.9% 0.035 283.8)
#4F507A 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) | #43557C | 0.021 |
| Deuteranopia (no green cones) | #415279 | 0.021 |
| Tritanopia (no blue cones) | #44585F | 0.060 |
| Achromatopsia (no color) | #545454 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F507A
#4F507A
oklch(44.9% 0.068 282.2)
- #5C5626
#5C5626
oklch(44.8% 0.068 102.2)
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 #4F507A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.014
- Dusty Grape #545775 ΔE 0.026
- Twilight #4E518B ΔE 0.028
- YInMn Blue #415A77 ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.053
- Dusk Blue #26538D ΔE 0.056
Use #4F507A 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.