#584EB4
Closest named color: Iris (#6258C4). oklch(49% 0.156 283.4), rgb(88, 78, 180).
Aa
White text reads best on this color (6.63:1).
About this color
#584EB4 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.156 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.038 away. White text reads best on it, at 6.63:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #584EB4 |
| RGB | rgb(88, 78, 180) |
| HSL | hsl(246, 40%, 51%) |
| OKLCH | oklch(49% 0.156 283.4) |
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 #584EB4 | 6.63:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #584EB4 | 3.16:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #584EB4 text on white | 6.63:1 | AA | Lc 82.5 | Fine for body text |
| #584EB4 text on black | 3.16:1 | AA large text | Lc -19.4 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#B9BBF1
oklch(80.9% 0.076 282.9)
-
Step 400
400
#9796E9
oklch(70.7% 0.12 283.4)
-
Step 500
500
#7F79E3
oklch(63% 0.156 283.5)
-
Step 600
600
#6A60D0
oklch(55.6% 0.167 283.6)
-
Step 700
700 (this color)
#584EB4
oklch(49% 0.156 283.4)
-
Step 800
800
#484192
oklch(42.7% 0.129 283.4)
-
Step 900
900
#3C3874
oklch(37.7% 0.1 283.5)
-
Step 950
950
#232144
oklch(27% 0.064 283.9)
#584EB4 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) | #0560B7 | 0.078 |
| Deuteranopia (no green cones) | #0059B2 | 0.078 |
| Tritanopia (no blue cones) | #356579 | 0.132 |
| Achromatopsia (no color) | #5C5C5C | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584EB4
#584EB4
oklch(49% 0.156 283.4)
- #6B6200
#6B6200
oklch(48.9% 0.103 103.3)
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 #584EB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.038
- Bluey Purple #6241C7 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.056
- Blurple #5539CC ΔE 0.059
- Light Indigo #6D5ACF ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.064
- Blueberry #464196 ΔE 0.065
Use #584EB4 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.