#6BB0DB
Closest named color: Greyblue (#77A1B5). oklch(72.8% 0.094 237.3), rgb(107, 176, 219).
Aa
Black text reads best on this color (8.85:1).
About this color
#6BB0DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.094 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.059 away. Black text reads best on it, at 8.85:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.85:1 |
| White text | 2.37:1 |
Values
| HEX | #6BB0DB |
| RGB | rgb(107, 176, 219) |
| HSL | hsl(203, 61%, 64%) |
| OKLCH | oklch(72.8% 0.094 237.3) |
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 #6BB0DB | 2.37:1 | Fails | Lc -51.5 | Large or bold text, headings |
| Black text on #6BB0DB | 8.85:1 | AAA | Lc 57.4 | Large or bold text, headings |
| #6BB0DB text on white | 2.37:1 | Fails | Lc 46.6 | Large or bold text, headings |
| #6BB0DB text on black | 8.85:1 | AAA | Lc -55.5 | 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
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300
#9DC7E2
oklch(80.9% 0.059 236.7)
-
Step 400
400 (this color)
#6BB0DB
oklch(72.8% 0.094 237.3)
-
Step 500
500
#3093C9
oklch(63.1% 0.12 237.4)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#084766
oklch(37.8% 0.079 237.2)
-
Step 950
950
#092A3C
oklch(27.1% 0.05 237)
#6BB0DB 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) | #9CAFDD | 0.056 |
| Deuteranopia (no green cones) | #8DA3DA | 0.048 |
| Tritanopia (no blue cones) | #2BBBBE | 0.075 |
| Achromatopsia (no color) | #A8A8A8 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BB0DB
#6BB0DB
oklch(72.8% 0.094 237.3)
- #D4986B
#D4986B
oklch(72.8% 0.094 57.5)
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 #6BB0DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.065
- Deep Sky Blue #00BFFF ΔE 0.067
- Turquoise Blue #06B1C4 ΔE 0.067
- Vivid Sky Blue #4CC9F0 ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.068
- Cool Steel #97A7B3 ΔE 0.069
Use #6BB0DB 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.