#6DA9FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(73.1% 0.14 257.4), rgb(109, 169, 255).
Aa
Black text reads best on this color (8.76:1).
About this color
#6DA9FF is a medium-light, vivid blue. In OKLCH its lightness is 73%, its chroma 0.140 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.052 away. Black text reads best on it, at 8.76:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.76:1 |
| White text | 2.39:1 |
Values
| HEX | #6DA9FF |
| RGB | rgb(109, 169, 255) |
| HSL | hsl(215, 100%, 71%) |
| OKLCH | oklch(73.1% 0.14 257.4) |
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 #6DA9FF | 2.39:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #6DA9FF | 8.76:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #6DA9FF text on white | 2.39:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #6DA9FF text on black | 8.76:1 | AAA | Lc -55.0 | 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
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBFA
oklch(88.5% 0.049 256.9)
-
Step 300
300
#9DC3F9
oklch(80.9% 0.087 257.2)
-
Step 400
400 (this color)
#6DA9FF
oklch(73.1% 0.14 257.4)
-
Step 500
500
#3987F3
oklch(63.1% 0.179 257.5)
-
Step 600
600
#0B6EE2
oklch(55.7% 0.195 257.3)
-
Step 700
700
#005BC2
oklch(49% 0.177 257.5)
-
Step 800
800
#054B9F
oklch(42.8% 0.15 257.4)
-
Step 900
900
#113F7E
oklch(37.6% 0.118 257.7)
-
Step 950
950
#0C264A
oklch(27.1% 0.074 257.4)
#6DA9FF 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) | #85AFFF | 0.032 |
| Deuteranopia (no green cones) | #72A1FD | 0.020 |
| Tritanopia (no blue cones) | #00BCC8 | 0.122 |
| Achromatopsia (no color) | #A7A7A7 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DA9FF
#6DA9FF
oklch(73.1% 0.14 257.4)
- #D89B29
#D89B29
oklch(73% 0.14 77.7)
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 #6DA9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.052
- Carolina Blue #8AB8FE ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.069
- Deep Sky Blue #00BFFF ΔE 0.071
- Perrywinkle #8F8CE7 ΔE 0.080
- Lavender Blue #8B88F8 ΔE 0.086
- Soft Blue #6488EA ΔE 0.089
Use #6DA9FF 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.