#6CA8FB
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.6% 0.137 256.8), rgb(108, 168, 251).
Aa
Black text reads best on this color (8.63:1).
About this color
#6CA8FB is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.137 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.052 away. Black text reads best on it, at 8.63:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.63:1 |
| White text | 2.43:1 |
Values
| HEX | #6CA8FB |
| RGB | rgb(108, 168, 251) |
| HSL | hsl(215, 95%, 70%) |
| OKLCH | oklch(72.6% 0.137 256.8) |
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 #6CA8FB | 2.43:1 | Fails | Lc -52.7 | Large or bold text, headings |
| Black text on #6CA8FB | 8.63:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #6CA8FB text on white | 2.43:1 | Fails | Lc 47.7 | Large or bold text, headings |
| #6CA8FB text on black | 8.63:1 | AAA | Lc -54.3 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBF9
oklch(88.5% 0.047 257.3)
-
Step 300
300
#9DC3F8
oklch(80.9% 0.086 256.8)
-
Step 400
400 (this color)
#6CA8FB
oklch(72.6% 0.137 256.8)
-
Step 500
500
#3988F0
oklch(63.1% 0.174 256.7)
-
Step 600
600
#0B6FDF
oklch(55.7% 0.19 256.7)
-
Step 700
700
#005CBF
oklch(49% 0.172 256.8)
-
Step 800
800
#054C9D
oklch(42.8% 0.146 256.7)
-
Step 900
900
#11407C
oklch(37.7% 0.113 256.7)
-
Step 950
950
#0C2649
oklch(27% 0.072 256.9)
#6CA8FB 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) | #86AEFE | 0.034 |
| Deuteranopia (no green cones) | #73A0F9 | 0.021 |
| Tritanopia (no blue cones) | #00BBC6 | 0.120 |
| Achromatopsia (no color) | #A6A6A6 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CA8FB
#6CA8FB
oklch(72.6% 0.137 256.8)
- #D69A2F
#D69A2F
oklch(72.7% 0.136 77.2)
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 #6CA8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.065
- Deep Sky Blue #00BFFF ΔE 0.071
- Perrywinkle #8F8CE7 ΔE 0.078
- Lavender Blue #8B88F8 ΔE 0.085
- Soft Blue #6488EA ΔE 0.086
Use #6CA8FB 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.