#6783EF
Closest named color: Soft Blue (#6488EA). oklch(64.1% 0.164 270.3), rgb(103, 131, 239).
Aa
Black text reads best on this color (6.06:1).
About this color
#6783EF is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.164 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.016 away. Black text reads best on it, at 6.06:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.06:1 |
| White text | 3.45:1 |
Values
| HEX | #6783EF |
| RGB | rgb(103, 131, 239) |
| HSL | hsl(228, 81%, 67%) |
| OKLCH | oklch(64.1% 0.164 270.3) |
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 #6783EF | 3.45:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #6783EF | 6.06:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #6783EF text on white | 3.45:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #6783EF text on black | 6.06:1 | AA | Lc -39.8 | 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
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300
#ACBFF5
oklch(80.9% 0.079 269.5)
-
Step 400
400
#829BF1
oklch(70.6% 0.129 270.5)
-
Step 500
500 (this color)
#6783EF
oklch(64.1% 0.164 270.3)
-
Step 600
600
#4D67DA
oklch(55.7% 0.178 270.1)
-
Step 700
700
#3F54BD
oklch(49% 0.166 270.5)
-
Step 800
800
#334699
oklch(42.7% 0.137 270)
-
Step 900
900
#2C3C7A
oklch(37.8% 0.107 269.8)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#6783EF 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) | #5190F3 | 0.037 |
| Deuteranopia (no green cones) | #3E84ED | 0.040 |
| Tritanopia (no blue cones) | #009BAD | 0.147 |
| Achromatopsia (no color) | #8A8A8A | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6783EF
#6783EF
oklch(64.1% 0.164 270.3)
- #AB8800
#AB8800
oklch(64.1% 0.131 90.4)
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 #6783EF, closest first.
No curated palette has a color within ΔE 0.04 of #6783EF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.016
- Cornflower #6A79F7 ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.052
- Periwinkle #8E82FE ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.060
Use #6783EF 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.