#6DA5DF
Closest named color: Cornflower Blue (#6495ED). oklch(70.7% 0.104 250.3), rgb(109, 165, 223).
Aa
Black text reads best on this color (8.09:1).
About this color
#6DA5DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.104 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.054 away. Black text reads best on it, at 8.09:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.09:1 |
| White text | 2.59:1 |
Values
| HEX | #6DA5DF |
| RGB | rgb(109, 165, 223) |
| HSL | hsl(211, 64%, 65%) |
| OKLCH | oklch(70.7% 0.104 250.3) |
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 #6DA5DF | 2.59:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #6DA5DF | 8.09:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #6DA5DF text on white | 2.59:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #6DA5DF text on black | 8.09:1 | AAA | Lc -51.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF1
oklch(88.6% 0.036 249.5)
-
Step 300
300
#A2C4EA
oklch(80.9% 0.065 251.5)
-
Step 400
400 (this color)
#6DA5DF
oklch(70.7% 0.104 250.3)
-
Step 500
500
#438DD6
oklch(63% 0.133 250.5)
-
Step 600
600
#1D76C4
oklch(55.6% 0.145 250.3)
-
Step 700
700
#0D63A9
oklch(49.2% 0.134 250.2)
-
Step 800
800
#115189
oklch(42.7% 0.111 250.3)
-
Step 900
900
#17436D
oklch(37.5% 0.087 250.4)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#6DA5DF 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) | #8DA7E2 | 0.038 |
| Deuteranopia (no green cones) | #7F9CDE | 0.029 |
| Tritanopia (no blue cones) | #31B2B9 | 0.089 |
| Achromatopsia (no color) | #A1A1A1 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DA5DF
#6DA5DF
oklch(70.7% 0.104 250.3)
- #CA9554
#CA9554
oklch(70.7% 0.104 70.4)
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 #6DA5DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.054
- Greyblue #77A1B5 ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.069
- Periwinkle Blue #8F99FB ΔE 0.070
- Bluey Grey #89A0B0 ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.073
- Cool Gray #8D99AE ΔE 0.076
Use #6DA5DF 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.