#6DADDB
Closest named color: Greyblue (#77A1B5). oklch(72.2% 0.094 241), rgb(109, 173, 219).
Aa
Black text reads best on this color (8.65:1).
About this color
#6DADDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.094 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.056 away. Black text reads best on it, at 8.65:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.65:1 |
| White text | 2.42:1 |
Values
| HEX | #6DADDB |
| RGB | rgb(109, 173, 219) |
| HSL | hsl(205, 60%, 64%) |
| OKLCH | oklch(72.2% 0.094 241) |
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 #6DADDB | 2.42:1 | Fails | Lc -52.7 | Large or bold text, headings |
| Black text on #6DADDB | 8.65:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #6DADDB text on white | 2.42:1 | Fails | Lc 47.7 | Large or bold text, headings |
| #6DADDB text on black | 8.65:1 | AAA | Lc -54.4 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#9FC6E4
oklch(80.9% 0.06 241.6)
-
Step 400
400 (this color)
#6DADDB
oklch(72.2% 0.094 241)
-
Step 500
500
#3992CB
oklch(63.2% 0.12 240.7)
-
Step 600
600
#007BB7
oklch(55.7% 0.129 240.7)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#104667
oklch(37.7% 0.078 241)
-
Step 950
950
#0C293C
oklch(26.9% 0.049 240.9)
#6DADDB 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) | #99ADDD | 0.051 |
| Deuteranopia (no green cones) | #8AA1DA | 0.043 |
| Tritanopia (no blue cones) | #33B8BC | 0.077 |
| Achromatopsia (no color) | #A6A6A6 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DADDB
#6DADDB
oklch(72.2% 0.094 241)
- #D19867
#D19867
oklch(72.4% 0.094 61.2)
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 #6DADDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.056
- Bluegrey #85A3B2 ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.069
- Turquoise Blue #06B1C4 ΔE 0.070
- Deep Sky Blue #00BFFF ΔE 0.071
- Light Grey Blue #9DBCD4 ΔE 0.074
Use #6DADDB 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.