#6BB8DD
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(74.7% 0.093 230.6), rgb(107, 184, 221).
Aa
Black text reads best on this color (9.52:1).
About this color
#6BB8DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.093 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.048 away. Black text reads best on it, at 9.52:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.52:1 |
| White text | 2.20:1 |
Values
| HEX | #6BB8DD |
| RGB | rgb(107, 184, 221) |
| HSL | hsl(199, 63%, 64%) |
| OKLCH | oklch(74.7% 0.093 230.6) |
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 #6BB8DD | 2.20:1 | Fails | Lc -48.0 | Large or bold text, headings |
| Black text on #6BB8DD | 9.52:1 | AAA | Lc 60.7 | Content text, not long reading |
| #6BB8DD text on white | 2.20:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #6BB8DD text on black | 9.52:1 | AAA | Lc -58.9 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DEEB
oklch(88.6% 0.032 230.3)
-
Step 300
300
#9BC8E0
oklch(80.9% 0.058 231.7)
-
Step 400
400 (this color)
#6BB8DD
oklch(74.7% 0.093 230.6)
-
Step 500
500
#1F96C4
oklch(63.2% 0.119 230.5)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#052A3A
oklch(26.8% 0.05 231.7)
#6BB8DD 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) | #A5B6DF | 0.065 |
| Deuteranopia (no green cones) | #95A9DD | 0.058 |
| Tritanopia (no blue cones) | #25C2C4 | 0.068 |
| Achromatopsia (no color) | #AFAFAF | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BB8DD
#6BB8DD
oklch(74.7% 0.093 230.6)
- #DD9C77
#DD9C77
oklch(74.7% 0.093 50.5)
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 #6BB8DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.048
- Lightblue #7BC8F6 ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.057
- Light Grey Blue #9DBCD4 ΔE 0.057
- Deep Sky Blue #00BFFF ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.061
- Sky #82CAFC ΔE 0.066
- Bright Sky Blue #02CCFE ΔE 0.068
Use #6BB8DD 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.