#6BB4FB
Closest named color: Carolina Blue (#8AB8FE). oklch(75.1% 0.127 249.2), rgb(107, 180, 251).
Aa
Black text reads best on this color (9.54:1).
About this color
#6BB4FB is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.127 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.035 away. Black text reads best on it, at 9.54:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.54:1 |
| White text | 2.19:1 |
Values
| HEX | #6BB4FB |
| RGB | rgb(107, 180, 251) |
| HSL | hsl(210, 95%, 70%) |
| OKLCH | oklch(75.1% 0.127 249.2) |
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 #6BB4FB | 2.19:1 | Fails | Lc -47.9 | Large or bold text, headings |
| Black text on #6BB4FB | 9.54:1 | AAA | Lc 60.8 | Content text, not long reading |
| #6BB4FB text on white | 2.19:1 | Fails | Lc 43.1 | Non-text elements, placeholder text |
| #6BB4FB text on black | 9.54:1 | AAA | Lc -59.1 | 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
#C4DCF6
oklch(88.5% 0.044 250.4)
-
Step 300
300
#99C5F2
oklch(80.8% 0.079 249.4)
-
Step 400
400 (this color)
#6BB4FB
oklch(75.1% 0.127 249.2)
-
Step 500
500
#228DE6
oklch(63% 0.162 249.4)
-
Step 600
600
#0076C9
oklch(55.6% 0.155 249.4)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#062845
oklch(27% 0.066 248.8)
#6BB4FB 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) | #96B7FE | 0.048 |
| Deuteranopia (no green cones) | #83A8FA | 0.037 |
| Tritanopia (no blue cones) | #00C5CD | 0.106 |
| Achromatopsia (no color) | #AFAFAF | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BB4FB
#6BB4FB
oklch(75.1% 0.127 249.2)
- #E29F4C
#E29F4C
oklch(75.2% 0.127 69.5)
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 #6BB4FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.035
- Deep Sky Blue #00BFFF ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.061
- Vivid Sky Blue #4CC9F0 ΔE 0.065
- Sky #82CAFC ΔE 0.067
- Pastel Blue #A2BFFE ΔE 0.070
- Bright Sky Blue #02CCFE ΔE 0.072
- Periwinkle Blue #8F99FB ΔE 0.076
Use #6BB4FB 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.