#6FA3FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.9% 0.146 261.1), rgb(111, 163, 255).
Aa
Black text reads best on this color (8.35:1).
About this color
#6FA3FF is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.146 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.042 away. Black text reads best on it, at 8.35:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #6FA3FF |
| RGB | rgb(111, 163, 255) |
| HSL | hsl(218, 100%, 72%) |
| OKLCH | oklch(71.9% 0.146 261.1) |
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 #6FA3FF | 2.51:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #6FA3FF | 8.35:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #6FA3FF text on white | 2.51:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #6FA3FF text on black | 8.35:1 | AAA | Lc -52.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C2FC
oklch(81% 0.09 260.9)
-
Step 400
400 (this color)
#6FA3FF
oklch(71.9% 0.146 261.1)
-
Step 500
500
#4384F8
oklch(63.1% 0.186 260.9)
-
Step 600
600
#246AE7
oklch(55.6% 0.202 261)
-
Step 700
700
#1757C9
oklch(49.1% 0.189 261.1)
-
Step 800
800
#1648A2
oklch(42.7% 0.155 261.1)
-
Step 900
900
#183E81
oklch(37.8% 0.121 260.8)
-
Step 950
950
#0F254B
oklch(27% 0.076 260.5)
#6FA3FF 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) | #7DABFF | 0.028 |
| Deuteranopia (no green cones) | #6B9DFD | 0.017 |
| Tritanopia (no blue cones) | #00B7C5 | 0.129 |
| Achromatopsia (no color) | #A3A3A3 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6FA3FF
#6FA3FF
oklch(71.9% 0.146 261.1)
- #D2990F
#D2990F
oklch(71.9% 0.146 81.3)
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 #6FA3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.059
- Carolina Blue #8AB8FE ΔE 0.067
- Perrywinkle #8F8CE7 ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.071
- Soft Blue #6488EA ΔE 0.075
- Dark Sky Blue #448EE4 ΔE 0.081
Use #6FA3FF 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.