#584DAB
Closest named color: Iris (#6258C4). oklch(48.1% 0.145 284.9), rgb(88, 77, 171).
Aa
White text reads best on this color (6.85:1).
About this color
#584DAB is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.145 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.049 away. White text reads best on it, at 6.85:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.06:1 |
| White text | 6.85:1 |
Values
| HEX | #584DAB |
| RGB | rgb(88, 77, 171) |
| HSL | hsl(247, 38%, 49%) |
| OKLCH | oklch(48.1% 0.145 284.9) |
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 #584DAB | 6.85:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #584DAB | 3.06:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #584DAB text on white | 6.85:1 | AA | Lc 83.4 | Fine for body text |
| #584DAB text on black | 3.06:1 | AA large text | Lc -18.5 | 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
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BBBBED
oklch(80.9% 0.07 284.7)
-
Step 400
400
#9996E4
oklch(70.6% 0.113 284.9)
-
Step 500
500
#827ADC
oklch(63.1% 0.144 285.2)
-
Step 600
600
#6C61C9
oklch(55.5% 0.156 284.9)
-
Step 700
700 (this color)
#584DAB
oklch(48.1% 0.145 284.9)
-
Step 800
800
#4A428D
oklch(42.7% 0.12 285)
-
Step 900
900
#3D3871
oklch(37.6% 0.095 284.8)
-
Step 950
950
#242142
oklch(26.9% 0.06 285.8)
#584DAB 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) | #195DAE | 0.073 |
| Deuteranopia (no green cones) | #1458A9 | 0.073 |
| Tritanopia (no blue cones) | #3B6274 | 0.124 |
| Achromatopsia (no color) | #5A5A5A | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584DAB
#584DAB
oklch(48.1% 0.145 284.9)
- #676000
#676000
oklch(48% 0.102 104.6)
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 #584DAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.054
- Blueberry #464196 ΔE 0.054
- Twilight #4E518B ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Rebecca Purple #663399 ΔE 0.066
- Slate Blue #6A5ACD ΔE 0.068
- Blurple #5539CC ΔE 0.068
Use #584DAB 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.