#6DA4DF
Closest named color: Cornflower Blue (#6495ED). oklch(70.4% 0.105 251.1), rgb(109, 164, 223).
Aa
Black text reads best on this color (8.02:1).
About this color
#6DA4DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.105 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.052 away. Black text reads best on it, at 8.02:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.02:1 |
| White text | 2.61:1 |
Values
| HEX | #6DA4DF |
| RGB | rgb(109, 164, 223) |
| HSL | hsl(211, 64%, 65%) |
| OKLCH | oklch(70.4% 0.105 251.1) |
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 #6DA4DF | 2.61:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #6DA4DF | 8.02:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #6DA4DF text on white | 2.61:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #6DA4DF text on black | 8.02:1 | AAA | Lc -51.0 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A2C4EA
oklch(80.9% 0.065 251.5)
-
Step 400
400 (this color)
#6DA4DF
oklch(70.4% 0.105 251.1)
-
Step 500
500
#448DD7
oklch(63.1% 0.134 251)
-
Step 600
600
#2076C5
oklch(55.7% 0.145 251)
-
Step 700
700
#1062AA
oklch(49% 0.136 251.3)
-
Step 800
800
#13518A
oklch(42.9% 0.112 251.1)
-
Step 900
900
#18436E
oklch(37.6% 0.088 251.3)
-
Step 950
950
#102840
oklch(27.1% 0.054 250.5)
#6DA4DF 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) | #8CA6E2 | 0.037 |
| Deuteranopia (no green cones) | #7E9BDE | 0.029 |
| Tritanopia (no blue cones) | #32B2B8 | 0.092 |
| Achromatopsia (no color) | #A0A0A0 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DA4DF
#6DA4DF
oklch(70.4% 0.105 251.1)
- #C99452
#C99452
oklch(70.4% 0.105 70.7)
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 #6DA4DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.052
- Greyblue #77A1B5 ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.065
- Periwinkle Blue #8F99FB ΔE 0.069
- Bluegrey #85A3B2 ΔE 0.070
- Bluey Grey #89A0B0 ΔE 0.072
- Carolina Blue #8AB8FE ΔE 0.075
- Perrywinkle #8F8CE7 ΔE 0.076
Use #6DA4DF 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.