#6684EA
Closest named color: Soft Blue (#6488EA). oklch(63.9% 0.156 269.3), rgb(102, 132, 234).
Aa
Black text reads best on this color (6.05:1).
About this color
#6684EA is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.156 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.010 away. Black text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.05:1 |
| White text | 3.46:1 |
Values
| HEX | #6684EA |
| RGB | rgb(102, 132, 234) |
| HSL | hsl(226, 76%, 66%) |
| OKLCH | oklch(63.9% 0.156 269.3) |
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 #6684EA | 3.46:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #6684EA | 6.05:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #6684EA text on white | 3.46:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #6684EA text on black | 6.05:1 | AA | Lc -39.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F6
oklch(88.6% 0.042 269)
-
Step 300
300
#ACBFF3
oklch(80.8% 0.077 269)
-
Step 400
400
#829CED
oklch(70.6% 0.123 269.6)
-
Step 500
500 (this color)
#6684EA
oklch(63.9% 0.156 269.3)
-
Step 600
600
#4C68D5
oklch(55.5% 0.17 269.3)
-
Step 700
700
#3E56B9
oklch(49.1% 0.158 269.5)
-
Step 800
800
#334796
oklch(42.7% 0.132 269.4)
-
Step 900
900
#2C3C77
oklch(37.6% 0.102 269.5)
-
Step 950
950
#1A2446
oklch(27.1% 0.065 269.4)
#6684EA 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) | #5790EE | 0.032 |
| Deuteranopia (no green cones) | #4584E8 | 0.034 |
| Tritanopia (no blue cones) | #079BAC | 0.140 |
| Achromatopsia (no color) | #8A8A8A | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6684EA
#6684EA
oklch(63.9% 0.156 269.3)
- #AB8700
#AB8700
oklch(63.9% 0.131 89.8)
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 #6684EA, closest first.
No curated palette has a color within ΔE 0.04 of #6684EA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.010
- Cornflower #6A79F7 ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.048
- Lavender Blue #8B88F8 ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.060
Use #6684EA 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.