#4B477F
Closest named color: Twilight (#4E518B). oklch(42.9% 0.091 285.1), rgb(75, 71, 127).
Aa
White text reads best on this color (8.37:1).
About this color
#4B477F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.091 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 8.37:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #4B477F |
| RGB | rgb(75, 71, 127) |
| HSL | hsl(244, 28%, 39%) |
| OKLCH | oklch(42.9% 0.091 285.1) |
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 #4B477F | 8.37:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #4B477F | 2.50:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #4B477F text on white | 8.37:1 | AAA | Lc 88.8 | Fine for body text |
| #4B477F 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D7D7EC
oklch(88.6% 0.029 285.8)
-
Step 300
300
#BCBCE2
oklch(80.8% 0.053 285.1)
-
Step 400
400
#9B99D4
oklch(70.7% 0.086 285.5)
-
Step 500
500
#837FC9
oklch(63.1% 0.11 285.3)
-
Step 600
600
#6D68B5
oklch(55.7% 0.117 284.9)
-
Step 700
700
#5B569C
oklch(49.1% 0.11 284.8)
-
Step 800
800 (this color)
#4B477F
oklch(42.9% 0.091 285.1)
-
Step 900
900
#3E3C66
oklch(37.8% 0.071 284.6)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#4B477F 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) | #334F81 | 0.037 |
| Deuteranopia (no green cones) | #324C7E | 0.036 |
| Tritanopia (no blue cones) | #3C525D | 0.077 |
| Achromatopsia (no color) | #4E4E4E | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B477F
#4B477F
oklch(42.9% 0.091 285.1)
- #575200
#575200
oklch(43% 0.091 105.6)
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 #4B477F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Dark Slate Blue #483D8B ΔE 0.037
- Dusk #4E5481 ΔE 0.038
- Blueberry #464196 ΔE 0.044
- Dusk Blue #26538D ΔE 0.054
- Dusty Grape #545775 ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.060
- Cobalt #1E488F ΔE 0.060
Use #4B477F 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.