#6CB5FB
Closest named color: Carolina Blue (#8AB8FE). oklch(75.4% 0.125 248.9), rgb(108, 181, 251).
Aa
Black text reads best on this color (9.64:1).
About this color
#6CB5FB is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.125 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.033 away. Black text reads best on it, at 9.64:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.64:1 |
| White text | 2.17:1 |
Values
| HEX | #6CB5FB |
| RGB | rgb(108, 181, 251) |
| HSL | hsl(209, 95%, 70%) |
| OKLCH | oklch(75.4% 0.125 248.9) |
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 #6CB5FB | 2.17:1 | Fails | Lc -47.4 | Large or bold text, headings |
| Black text on #6CB5FB | 9.64:1 | AAA | Lc 61.3 | Content text, not long reading |
| #6CB5FB text on white | 2.17:1 | Fails | Lc 42.7 | Non-text elements, placeholder text |
| #6CB5FB text on black | 9.64:1 | AAA | Lc -59.5 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF9
oklch(93.7% 0.022 248.1)
-
Step 200
200
#C4DCF5
oklch(88.5% 0.043 249.4)
-
Step 300
300
#99C5F2
oklch(80.8% 0.079 249.4)
-
Step 400
400 (this color)
#6CB5FB
oklch(75.4% 0.125 248.9)
-
Step 500
500
#228EE5
oklch(63.2% 0.16 248.8)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004375
oklch(37.5% 0.104 249)
-
Step 950
950
#062845
oklch(27% 0.066 248.8)
#6CB5FB 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) | #97B7FE | 0.047 |
| Deuteranopia (no green cones) | #85A9FA | 0.038 |
| Tritanopia (no blue cones) | #00C5CD | 0.105 |
| Achromatopsia (no color) | #B0B0B0 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CB5FB
#6CB5FB
oklch(75.4% 0.125 248.9)
- #E3A04F
#E3A04F
oklch(75.5% 0.125 69)
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 #6CB5FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.033
- Deep Sky Blue #00BFFF ΔE 0.050
- Lightblue #7BC8F6 ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.063
- Sky #82CAFC ΔE 0.064
- Pastel Blue #A2BFFE ΔE 0.068
- Bright Sky Blue #02CCFE ΔE 0.070
- Light Sky Blue #87CEFA ΔE 0.077
Use #6CB5FB 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.