#4639A0
Closest named color: Blueberry (#464196). oklch(42.2% 0.16 282.9), rgb(70, 57, 160).
Aa
White text reads best on this color (8.92:1).
About this color
#4639A0 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.160 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.026 away. White text reads best on it, at 8.92:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #4639A0 |
| RGB | rgb(70, 57, 160) |
| HSL | hsl(248, 47%, 43%) |
| OKLCH | oklch(42.2% 0.16 282.9) |
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 #4639A0 | 8.92:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #4639A0 | 2.35:1 | Fails | Lc 14.0 | Not readable |
| #4639A0 text on white | 8.92:1 | AAA | Lc 90.0 | Fine for body text |
| #4639A0 text on black | 2.35:1 | Fails | Lc -12.3 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E7E8FC
oklch(93.6% 0.027 283.6)
-
Step 200
200
#D3D5FB
oklch(88.4% 0.052 282.9)
-
Step 300
300
#B7B9FC
oklch(80.8% 0.094 282.7)
-
Step 400
400
#9492FA
oklch(70.6% 0.15 282.7)
-
Step 500
500
#7D73F7
oklch(63.1% 0.191 282.9)
-
Step 600
600
#6957E6
oklch(55.6% 0.207 283)
-
Step 700
700
#5846C8
oklch(49.2% 0.193 283)
-
Step 800
800 (this color)
#4639A0
oklch(42.2% 0.16 282.9)
-
Step 900
900
#3B3480
oklch(37.7% 0.124 282.9)
-
Step 950
950
#221F4B
oklch(27% 0.079 282.8)
#4639A0 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) | #004DA3 | 0.072 |
| Deuteranopia (no green cones) | #00469E | 0.068 |
| Tritanopia (no blue cones) | #1B5267 | 0.134 |
| Achromatopsia (no color) | #4A4A4A | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4639A0
#4639A0
oklch(42.2% 0.16 282.9)
- #574F00
#574F00
oklch(42.2% 0.089 102.8)
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 #4639A0, closest first.
No curated palette has a color within ΔE 0.04 of #4639A0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.026
- Dark Slate Blue #483D8B ΔE 0.037
- Sapphire #2138AB ΔE 0.054
- Rebecca Purple #663399 ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.065
- Cobalt #1E488F ΔE 0.065
- Indigo Blue #3A18B1 ΔE 0.066
- Imperial Purple #480CA8 ΔE 0.066
Use #4639A0 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.