#6584F3
Closest named color: Soft Blue (#6488EA). oklch(64.4% 0.169 269.5), rgb(101, 132, 243).
Aa
Black text reads best on this color (6.14:1).
About this color
#6584F3 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.169 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.018 away. Black text reads best on it, at 6.14:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.14:1 |
| White text | 3.41:1 |
Values
| HEX | #6584F3 |
| RGB | rgb(101, 132, 243) |
| HSL | hsl(227, 86%, 67%) |
| OKLCH | oklch(64.4% 0.169 269.5) |
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 #6584F3 | 3.41:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #6584F3 | 6.14:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #6584F3 text on white | 3.41:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #6584F3 text on black | 6.14:1 | AA | Lc -40.3 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CDD9F8
oklch(88.6% 0.045 268.7)
-
Step 300
300
#ABBFF7
oklch(80.9% 0.083 269.3)
-
Step 400
400
#809BF3
oklch(70.6% 0.133 269.8)
-
Step 500
500 (this color)
#6584F3
oklch(64.4% 0.169 269.5)
-
Step 600
600
#4A66DD
oklch(55.5% 0.184 269.5)
-
Step 700
700
#3C54C0
oklch(49.1% 0.171 269.6)
-
Step 800
800
#31469B
oklch(42.8% 0.141 269.2)
-
Step 900
900
#2B3B7B
oklch(37.6% 0.11 269.8)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#6584F3 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) | #4F91F7 | 0.036 |
| Deuteranopia (no green cones) | #3A85F1 | 0.040 |
| Tritanopia (no blue cones) | #009DB0 | 0.148 |
| Achromatopsia (no color) | #8B8B8B | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6584F3
#6584F3
oklch(64.4% 0.169 269.5)
- #AD8800
#AD8800
oklch(64.4% 0.132 89.3)
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 #6584F3, closest first.
No curated palette has a color within ΔE 0.04 of #6584F3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.018
- Cornflower #6A79F7 ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.052
- Dodger Blue #1E90FF ΔE 0.056
- Periwinkle #8E82FE ΔE 0.057
Use #6584F3 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.