#6DA8FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.9% 0.141 258), rgb(109, 168, 255).
Aa
Black text reads best on this color (8.69:1).
About this color
#6DA8FF is a medium-light, vivid blue. In OKLCH its lightness is 73%, its chroma 0.141 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.050 away. Black text reads best on it, at 8.69:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.69:1 |
| White text | 2.41:1 |
Values
| HEX | #6DA8FF |
| RGB | rgb(109, 168, 255) |
| HSL | hsl(216, 100%, 71%) |
| OKLCH | oklch(72.9% 0.141 258) |
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 #6DA8FF | 2.41:1 | Fails | Lc -52.4 | Large or bold text, headings |
| Black text on #6DA8FF | 8.69:1 | AAA | Lc 56.6 | Large or bold text, headings |
| #6DA8FF text on white | 2.41:1 | Fails | Lc 47.4 | Large or bold text, headings |
| #6DA8FF text on black | 8.69:1 | AAA | Lc -54.7 | 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
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C5DBFA
oklch(88.5% 0.049 256.9)
-
Step 300
300
#9DC3FA
oklch(81% 0.088 257.6)
-
Step 400
400 (this color)
#6DA8FF
oklch(72.9% 0.141 258)
-
Step 500
500
#3A87F4
oklch(63.2% 0.18 257.8)
-
Step 600
600
#106DE3
oklch(55.6% 0.197 258)
-
Step 700
700
#005AC5
oklch(49.1% 0.183 258.1)
-
Step 800
800
#074A9F
oklch(42.6% 0.151 258)
-
Step 900
900
#123F7F
oklch(37.7% 0.119 258.2)
-
Step 950
950
#0C264A
oklch(27.1% 0.074 257.4)
#6DA8FF 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) | #84AEFF | 0.031 |
| Deuteranopia (no green cones) | #71A0FD | 0.020 |
| Tritanopia (no blue cones) | #00BCC8 | 0.124 |
| Achromatopsia (no color) | #A7A7A7 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DA8FF
#6DA8FF
oklch(72.9% 0.141 258)
- #D79A26
#D79A26
oklch(72.7% 0.141 77.8)
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 #6DA8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.055
- Carolina Blue #8AB8FE ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.067
- Deep Sky Blue #00BFFF ΔE 0.073
- Perrywinkle #8F8CE7 ΔE 0.078
- Lavender Blue #8B88F8 ΔE 0.083
- Soft Blue #6488EA ΔE 0.087
Use #6DA8FF 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.