#6584DE
Closest named color: Soft Blue (#6488EA). oklch(63.1% 0.14 267.9), rgb(101, 132, 222).
Aa
Black text reads best on this color (5.90:1).
About this color
#6584DE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.140 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.019 away. Black text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #6584DE |
| RGB | rgb(101, 132, 222) |
| HSL | hsl(225, 65%, 63%) |
| OKLCH | oklch(63.1% 0.14 267.9) |
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 #6584DE | 3.55:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #6584DE | 5.90:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #6584DE text on white | 3.55:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #6584DE text on black | 5.90:1 | AA | Lc -38.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#ADC0EE
oklch(80.9% 0.069 267.3)
-
Step 400
400
#839EE5
oklch(70.7% 0.109 267.7)
-
Step 500
500 (this color)
#6584DE
oklch(63.1% 0.14 267.9)
-
Step 600
600
#4D6CCC
oklch(55.7% 0.152 267.8)
-
Step 700
700
#3E59B0
oklch(49% 0.142 267.9)
-
Step 800
800
#33498F
oklch(42.6% 0.119 268)
-
Step 900
900
#2D3E72
oklch(37.7% 0.092 268.2)
-
Step 950
950
#1A2543
oklch(27.1% 0.058 267.3)
#6584DE 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) | #5E8EE2 | 0.026 |
| Deuteranopia (no green cones) | #5083DC | 0.024 |
| Tritanopia (no blue cones) | #2198A6 | 0.126 |
| Achromatopsia (no color) | #888888 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6584DE
#6584DE
oklch(63.1% 0.14 267.9)
- #AA8400
#AA8400
oklch(63.2% 0.129 88.2)
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 #6584DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.019
- Dark Sky Blue #448EE4 ΔE 0.037
- Cornflower Blue #6495ED ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.050
- Cornflower #6A79F7 ΔE 0.050
- Faded Blue #658CBB ΔE 0.063
- Perrywinkle #8F8CE7 ΔE 0.063
- Lavender Blue #8B88F8 ΔE 0.065
Use #6584DE 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.