#584EB8
Closest named color: Iris (#6258C4). oklch(49.2% 0.162 283), rgb(88, 78, 184).
Aa
White text reads best on this color (6.56:1).
About this color
#584EB8 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.162 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.035 away. White text reads best on it, at 6.56:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.19:1 |
| White text | 6.56:1 |
Values
| HEX | #584EB8 |
| RGB | rgb(88, 78, 184) |
| HSL | hsl(246, 43%, 51%) |
| OKLCH | oklch(49.2% 0.162 283) |
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 #584EB8 | 6.56:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #584EB8 | 3.19:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #584EB8 text on white | 6.56:1 | AA | Lc 82.2 | Fine for body text |
| #584EB8 text on black | 3.19:1 | AA large text | Lc -19.7 | 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 700.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F6
oklch(88.5% 0.044 282.6)
-
Step 300
300
#B9BBF2
oklch(81% 0.077 282.9)
-
Step 400
400
#9695EC
oklch(70.6% 0.126 283.2)
-
Step 500
500
#7E79E6
oklch(63.2% 0.16 282.9)
-
Step 600
600
#695FD4
oklch(55.6% 0.174 283)
-
Step 700
700 (this color)
#584EB8
oklch(49.2% 0.162 283)
-
Step 800
800
#474094
oklch(42.6% 0.133 282.9)
-
Step 900
900
#3B3776
oklch(37.6% 0.104 283)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#584EB8 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) | #0061BC | 0.080 |
| Deuteranopia (no green cones) | #005AB6 | 0.077 |
| Tritanopia (no blue cones) | #31667B | 0.137 |
| Achromatopsia (no color) | #5D5D5D | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584EB8
#584EB8
oklch(49.2% 0.162 283)
- #6C6300
#6C6300
oklch(49.3% 0.104 103.3)
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 #584EB8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.035
- Bluey Purple #6241C7 ΔE 0.039
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.053
- Blurple #5539CC ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.057
- Warm Blue #4B57DB ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.060
Use #584EB8 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.