#6CBBE5
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.7% 0.099 233.4), rgb(108, 187, 229).
Aa
Black text reads best on this color (9.87:1).
About this color
#6CBBE5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.099 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.040 away. Black text reads best on it, at 9.87:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.87:1 |
| White text | 2.12:1 |
Values
| HEX | #6CBBE5 |
| RGB | rgb(108, 187, 229) |
| HSL | hsl(201, 70%, 66%) |
| OKLCH | oklch(75.7% 0.099 233.4) |
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 #6CBBE5 | 2.12:1 | Fails | Lc -46.2 | Large or bold text, headings |
| Black text on #6CBBE5 | 9.87:1 | AAA | Lc 62.4 | Content text, not long reading |
| #6CBBE5 text on white | 2.12:1 | Fails | Lc 41.5 | Non-text elements, placeholder text |
| #6CBBE5 text on black | 9.87:1 | AAA | Lc -60.7 | Content text, not long reading |
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
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C4DEED
oklch(88.6% 0.035 233.1)
-
Step 300
300
#99C8E2
oklch(80.8% 0.062 232.7)
-
Step 400
400 (this color)
#6CBBE5
oklch(75.7% 0.099 233.4)
-
Step 500
500
#1795C9
oklch(63.1% 0.126 233.3)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#042A3C
oklch(26.9% 0.053 234.4)
#6CBBE5 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) | #A7B9E7 | 0.065 |
| Deuteranopia (no green cones) | #96ACE4 | 0.057 |
| Tritanopia (no blue cones) | #1AC6C9 | 0.074 |
| Achromatopsia (no color) | #B2B2B2 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CBBE5
#6CBBE5
oklch(75.7% 0.099 233.4)
- #E29F74
#E29F74
oklch(75.8% 0.099 53.4)
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 #6CBBE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.040
- Lightblue #7BC8F6 ΔE 0.043
- Carolina Blue #8AB8FE ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Sky #82CAFC ΔE 0.054
- Deep Sky Blue #00BFFF ΔE 0.055
- Light Grey Blue #9DBCD4 ΔE 0.056
- Bright Sky Blue #02CCFE ΔE 0.059
Use #6CBBE5 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.