#6783FF
Closest named color: Cornflower (#6A79F7). oklch(65.1% 0.186 270.9), rgb(103, 131, 255).
Aa
Black text reads best on this color (6.26:1).
About this color
#6783FF is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.186 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.025 away. Black text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #6783FF |
| RGB | rgb(103, 131, 255) |
| HSL | hsl(229, 100%, 70%) |
| OKLCH | oklch(65.1% 0.186 270.9) |
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 #6783FF | 3.35:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #6783FF | 6.26:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #6783FF text on white | 3.35:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #6783FF text on black | 6.26:1 | AA | Lc -41.1 | 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
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CCD8FB
oklch(88.4% 0.05 270.4)
-
Step 300
300
#ABBEFC
oklch(80.9% 0.09 271.1)
-
Step 400
400
#7F9AFB
oklch(70.8% 0.145 270.6)
-
Step 500
500 (this color)
#6783FF
oklch(65.1% 0.186 270.9)
-
Step 600
600
#4B62E7
oklch(55.6% 0.202 270.9)
-
Step 700
700
#3D50C9
oklch(49.1% 0.188 270.9)
-
Step 800
800
#3242A2
oklch(42.6% 0.155 271)
-
Step 900
900
#2B3981
oklch(37.6% 0.122 271.1)
-
Step 950
950
#19224B
oklch(26.9% 0.077 271.1)
#6783FF 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) | #4293FF | 0.048 |
| Deuteranopia (no green cones) | #2386FC | 0.054 |
| Tritanopia (no blue cones) | #009FB5 | 0.160 |
| Achromatopsia (no color) | #8C8C8C | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6783FF
#6783FF
oklch(65.1% 0.186 270.9)
- #AE8B00
#AE8B00
oklch(65.1% 0.133 90.8)
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 #6783FF, closest first.
No curated palette has a color within ΔE 0.04 of #6783FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.025
- Soft Blue #6488EA ΔE 0.036
- Lavender Blue #8B88F8 ΔE 0.051
- Periwinkle #8E82FE ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.062
Use #6783FF 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.