#6686FE
Closest named color: Soft Blue (#6488EA). oklch(65.5% 0.181 269.6), rgb(102, 134, 254).
Aa
Black text reads best on this color (6.40:1).
About this color
#6686FE is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.181 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.031 away. Black text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #6686FE |
| RGB | rgb(102, 134, 254) |
| HSL | hsl(227, 99%, 70%) |
| OKLCH | oklch(65.5% 0.181 269.6) |
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 #6686FE | 3.27:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #6686FE | 6.40:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #6686FE text on white | 3.27:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #6686FE text on black | 6.40:1 | AA | Lc -41.9 | 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
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CCD8FB
oklch(88.4% 0.05 270.4)
-
Step 300
300
#AABFFB
oklch(81% 0.088 269.4)
-
Step 400
400
#7E9BF9
oklch(70.8% 0.142 269.6)
-
Step 500
500 (this color)
#6686FE
oklch(65.5% 0.181 269.6)
-
Step 600
600
#4864E4
oklch(55.6% 0.196 269.6)
-
Step 700
700
#3A52C6
oklch(49.1% 0.182 269.5)
-
Step 800
800
#3044A0
oklch(42.7% 0.151 269.6)
-
Step 900
900
#2A3A7F
oklch(37.6% 0.118 270)
-
Step 950
950
#18234B
oklch(27.1% 0.075 269.3)
#6686FE 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) | #4A95FF | 0.042 |
| Deuteranopia (no green cones) | #2F88FB | 0.047 |
| Tritanopia (no blue cones) | #00A1B6 | 0.156 |
| Achromatopsia (no color) | #8E8E8E | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6686FE
#6686FE
oklch(65.5% 0.181 269.6)
- #B18C00
#B18C00
oklch(65.6% 0.134 89.9)
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 #6686FE, closest first.
No curated palette has a color within ΔE 0.04 of #6686FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.031
- Cornflower #6A79F7 ΔE 0.032
- Lavender Blue #8B88F8 ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.050
- Periwinkle #8E82FE ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.053
- Dodger Blue #1E90FF ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.057
Use #6686FE 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.