#6686FC
Closest named color: Soft Blue (#6488EA). oklch(65.4% 0.178 269.5), rgb(102, 134, 252).
Aa
Black text reads best on this color (6.38:1).
About this color
#6686FC is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.178 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.028 away. Black text reads best on it, at 6.38:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.38:1 |
| White text | 3.29:1 |
Values
| HEX | #6686FC |
| RGB | rgb(102, 134, 252) |
| HSL | hsl(227, 96%, 69%) |
| OKLCH | oklch(65.4% 0.178 269.5) |
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 #6686FC | 3.29:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #6686FC | 6.38:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #6686FC text on white | 3.29:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #6686FC text on black | 6.38:1 | AA | Lc -41.7 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD8FA
oklch(88.4% 0.049 270)
-
Step 300
300
#AABFFA
oklch(81% 0.087 269.2)
-
Step 400
400
#7E9BF7
oklch(70.7% 0.139 269.4)
-
Step 500
500 (this color)
#6686FC
oklch(65.4% 0.178 269.5)
-
Step 600
600
#4864E3
oklch(55.5% 0.195 269.6)
-
Step 700
700
#3A52C5
oklch(49% 0.181 269.5)
-
Step 800
800
#30449F
oklch(42.6% 0.149 269.6)
-
Step 900
900
#2A3B7E
oklch(37.8% 0.115 269.5)
-
Step 950
950
#18234A
oklch(27% 0.074 269.2)
#6686FC 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) | #4C95FF | 0.041 |
| Deuteranopia (no green cones) | #3287FA | 0.046 |
| Tritanopia (no blue cones) | #00A1B5 | 0.155 |
| Achromatopsia (no color) | #8E8E8E | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6686FC
#6686FC
oklch(65.4% 0.178 269.5)
- #B18B00
#B18B00
oklch(65.4% 0.134 89.2)
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 #6686FC, closest first.
No curated palette has a color within ΔE 0.04 of #6686FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.028
- Cornflower #6A79F7 ΔE 0.031
- Cornflower Blue #6495ED ΔE 0.048
- Lavender Blue #8B88F8 ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.052
- Periwinkle #8E82FE ΔE 0.052
- Dodger Blue #1E90FF ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.055
Use #6686FC 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.