#4F477A
Closest named color: Twilight (#4E518B). oklch(42.9% 0.083 289.6), rgb(79, 71, 122).
Aa
White text reads best on this color (8.35:1).
About this color
#4F477A is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.083 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.035 away. White text reads best on it, at 8.35:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #4F477A |
| RGB | rgb(79, 71, 122) |
| HSL | hsl(249, 26%, 38%) |
| OKLCH | oklch(42.9% 0.083 289.6) |
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 #4F477A | 8.35:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #4F477A | 2.51:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #4F477A text on white | 8.35:1 | AAA | Lc 88.7 | Fine for body text |
| #4F477A text on black | 2.51:1 | Fails | Lc -13.5 | 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
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D8D7EA
oklch(88.6% 0.026 288.3)
-
Step 300
300
#BFBCDF
oklch(80.9% 0.049 289.2)
-
Step 400
400
#9F99CE
oklch(70.7% 0.077 289.5)
-
Step 500
500
#887FC2
oklch(63.1% 0.1 289.4)
-
Step 600
600
#7267AE
oklch(55.5% 0.108 289.5)
-
Step 700
700
#605695
oklch(49.1% 0.099 289.5)
-
Step 800
800 (this color)
#4F477A
oklch(42.9% 0.083 289.6)
-
Step 900
900
#413B62
oklch(37.7% 0.066 289.9)
-
Step 950
950
#262339
oklch(27% 0.04 289.7)
#4F477A 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) | #374F7C | 0.039 |
| Deuteranopia (no green cones) | #374D79 | 0.038 |
| Tritanopia (no blue cones) | #44505A | 0.070 |
| Achromatopsia (no color) | #4E4E4E | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F477A
#4F477A
oklch(42.9% 0.083 289.6)
- #535313
#535313
oklch(42.9% 0.083 109.4)
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 #4F477A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.035
- Dusk #4E5481 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.045
- Dusty Grape #545775 ΔE 0.051
- Blueberry #464196 ΔE 0.054
- YInMn Blue #415A77 ΔE 0.059
- Dusk Blue #26538D ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.064
Use #4F477A 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.