#6DA4DB
Closest named color: Greyblue (#77A1B5). oklch(70.2% 0.1 249.4), rgb(109, 164, 219).
Aa
Black text reads best on this color (7.98:1).
About this color
#6DA4DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.100 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.055 away. Black text reads best on it, at 7.98:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.98:1 |
| White text | 2.63:1 |
Values
| HEX | #6DA4DB |
| RGB | rgb(109, 164, 219) |
| HSL | hsl(210, 60%, 64%) |
| OKLCH | oklch(70.2% 0.1 249.4) |
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 #6DA4DB | 2.63:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #6DA4DB | 7.98:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #6DA4DB text on white | 2.63:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #6DA4DB text on black | 7.98:1 | AAA | Lc -50.7 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A2C5E8
oklch(81% 0.062 248.6)
-
Step 400
400 (this color)
#6DA4DB
oklch(70.2% 0.1 249.4)
-
Step 500
500
#458ED3
oklch(63.1% 0.127 249.4)
-
Step 600
600
#2177C0
oklch(55.7% 0.138 249.2)
-
Step 700
700
#1163A6
oklch(49% 0.129 249.6)
-
Step 800
800
#135186
oklch(42.6% 0.107 249.5)
-
Step 900
900
#18446C
oklch(37.8% 0.084 249.3)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#6DA4DB 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) | #8EA6DE | 0.040 |
| Deuteranopia (no green cones) | #809BDA | 0.030 |
| Tritanopia (no blue cones) | #36B1B7 | 0.086 |
| Achromatopsia (no color) | #A0A0A0 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DA4DB
#6DA4DB
oklch(70.2% 0.1 249.4)
- #C79457
#C79457
oklch(70.3% 0.1 69.9)
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 #6DA4DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.056
- Bluegrey #85A3B2 ΔE 0.064
- Bluey Grey #89A0B0 ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.068
- Cool Gray #8D99AE ΔE 0.071
- Periwinkle Blue #8F99FB ΔE 0.074
- Faded Blue #658CBB ΔE 0.074
Use #6DA4DB 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.