#584ED6
Closest named color: Warm Blue (#4B57DB). oklch(51.6% 0.201 280), rgb(88, 78, 214).
Aa
White text reads best on this color (6.04:1).
About this color
#584ED6 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.201 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.025 away. White text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #584ED6 |
| RGB | rgb(88, 78, 214) |
| HSL | hsl(244, 62%, 57%) |
| OKLCH | oklch(51.6% 0.201 280) |
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 #584ED6 | 6.04:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #584ED6 | 3.47:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #584ED6 text on white | 6.04:1 | AA | Lc 79.6 | Fine for body text |
| #584ED6 text on black | 3.47:1 | AA large text | Lc -22.2 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200
#D1D6FD
oklch(88.5% 0.054 279.5)
-
Step 300
300
#B4BAFF
oklch(80.9% 0.098 280.1)
-
Step 400
400
#8F93FF
oklch(70.7% 0.156 280)
-
Step 500
500
#7674FD
oklch(63.2% 0.198 279.7)
-
Step 600
600
#6257EC
oklch(55.6% 0.216 280)
-
Step 700
700 (this color)
#584ED6
oklch(51.6% 0.201 280)
-
Step 800
800
#423BA6
oklch(42.7% 0.166 279.7)
-
Step 900
900
#373484
oklch(37.7% 0.13 279.8)
-
Step 950
950
#201F4D
oklch(26.9% 0.083 280.3)
#584ED6 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) | #0068DA | 0.081 |
| Deuteranopia (no green cones) | #005DD3 | 0.073 |
| Tritanopia (no blue cones) | #00708B | 0.171 |
| Achromatopsia (no color) | #636363 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584ED6
#584ED6
oklch(51.6% 0.201 280)
- #766800
#766800
oklch(51.5% 0.107 100.1)
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 #584ED6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.025
- Bluey Purple #6241C7 ΔE 0.038
- Iris #6258C4 ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.044
- Blurple #5539CC ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.048
Use #584ED6 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.