#6684F2
Closest named color: Soft Blue (#6488EA). oklch(64.4% 0.167 269.7), rgb(102, 132, 242).
Aa
Black text reads best on this color (6.14:1).
About this color
#6684F2 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.167 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.017 away. Black text reads best on it, at 6.14:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.14:1 |
| White text | 3.41:1 |
Values
| HEX | #6684F2 |
| RGB | rgb(102, 132, 242) |
| HSL | hsl(227, 84%, 67%) |
| OKLCH | oklch(64.4% 0.167 269.7) |
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 #6684F2 | 3.41:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #6684F2 | 6.14:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #6684F2 text on white | 3.41:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #6684F2 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
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBFF6
oklch(81% 0.081 269.7)
-
Step 400
400
#809BF2
oklch(70.6% 0.131 269.7)
-
Step 500
500 (this color)
#6684F2
oklch(64.4% 0.167 269.7)
-
Step 600
600
#4B66DC
oklch(55.5% 0.182 269.8)
-
Step 700
700
#3D54BF
oklch(49.1% 0.169 269.9)
-
Step 800
800
#32469A
oklch(42.7% 0.139 269.6)
-
Step 900
900
#2B3B7B
oklch(37.6% 0.11 269.8)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#6684F2 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) | #5091F6 | 0.036 |
| Deuteranopia (no green cones) | #3C85F0 | 0.040 |
| Tritanopia (no blue cones) | #009DAF | 0.149 |
| Achromatopsia (no color) | #8B8B8B | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6684F2
#6684F2
oklch(64.4% 0.167 269.7)
- #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 #6684F2, closest first.
No curated palette has a color within ΔE 0.04 of #6684F2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.017
- Cornflower #6A79F7 ΔE 0.029
- Cornflower Blue #6495ED ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.051
- Periwinkle #8E82FE ΔE 0.056
- Dodger Blue #1E90FF ΔE 0.057
Use #6684F2 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.