#6DA3EF
Closest named color: Cornflower Blue (#6495ED). oklch(71% 0.126 257.1), rgb(109, 163, 239).
Aa
Black text reads best on this color (8.13:1).
About this color
#6DA3EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.126 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.040 away. Black text reads best on it, at 8.13:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.13:1 |
| White text | 2.58:1 |
Values
| HEX | #6DA3EF |
| RGB | rgb(109, 163, 239) |
| HSL | hsl(215, 80%, 68%) |
| OKLCH | oklch(71% 0.126 257.1) |
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 #6DA3EF | 2.58:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #6DA3EF | 8.13:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #6DA3EF text on white | 2.58:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #6DA3EF text on black | 8.13:1 | AAA | Lc -51.6 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF6
oklch(88.5% 0.043 255.9)
-
Step 300
300
#A0C3F4
oklch(80.9% 0.079 256.8)
-
Step 400
400 (this color)
#6DA3EF
oklch(71% 0.126 257.1)
-
Step 500
500
#4389E8
oklch(63.2% 0.16 256.8)
-
Step 600
600
#2070D7
oklch(55.6% 0.175 257.1)
-
Step 700
700
#125DBA
oklch(49.1% 0.162 257.1)
-
Step 800
800
#134D97
oklch(42.8% 0.135 257)
-
Step 900
900
#184178
oklch(37.8% 0.104 256.9)
-
Step 950
950
#0F2646
oklch(26.9% 0.066 257.2)
#6DA3EF 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) | #84A8F2 | 0.031 |
| Deuteranopia (no green cones) | #749BED | 0.021 |
| Tritanopia (no blue cones) | #19B4BE | 0.112 |
| Achromatopsia (no color) | #A1A1A1 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DA3EF
#6DA3EF
oklch(71% 0.126 257.1)
- #CD9639
#CD9639
oklch(71% 0.126 77)
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 #6DA3EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.040
- Periwinkle Blue #8F99FB ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.067
- Carolina Blue #8AB8FE ΔE 0.069
- Soft Blue #6488EA ΔE 0.073
- Dark Sky Blue #448EE4 ΔE 0.074
- Lavender Blue #8B88F8 ΔE 0.078
Use #6DA3EF 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.