#6CA3FF
Closest named color: Cornflower Blue (#6495ED). oklch(71.8% 0.147 260.2), rgb(108, 163, 255).
Aa
Black text reads best on this color (8.32:1).
About this color
#6CA3FF is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.147 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.044 away. Black text reads best on it, at 8.32:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.32:1 |
| White text | 2.52:1 |
Values
| HEX | #6CA3FF |
| RGB | rgb(108, 163, 255) |
| HSL | hsl(218, 100%, 71%) |
| OKLCH | oklch(71.8% 0.147 260.2) |
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 #6CA3FF | 2.52:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #6CA3FF | 8.32:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #6CA3FF text on white | 2.52:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #6CA3FF text on black | 8.32:1 | AAA | Lc -52.7 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFC
oklch(88.4% 0.052 261.1)
-
Step 300
300
#9EC2FC
oklch(80.9% 0.091 259.8)
-
Step 400
400 (this color)
#6CA3FF
oklch(71.8% 0.147 260.2)
-
Step 500
500
#3F84F9
oklch(63.1% 0.188 260.3)
-
Step 600
600
#1D6AE8
oklch(55.6% 0.205 260.3)
-
Step 700
700
#0E58CA
oklch(49.2% 0.19 260.1)
-
Step 800
800
#1048A3
oklch(42.6% 0.158 260.3)
-
Step 900
900
#163E81
oklch(37.7% 0.122 260.2)
-
Step 950
950
#0E254C
oklch(27.1% 0.078 260.3)
#6CA3FF 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) | #7DAAFF | 0.028 |
| Deuteranopia (no green cones) | #699DFD | 0.016 |
| Tritanopia (no blue cones) | #00B8C5 | 0.129 |
| Achromatopsia (no color) | #A3A3A3 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CA3FF
#6CA3FF
oklch(71.8% 0.147 260.2)
- #D39809
#D39809
oklch(71.8% 0.147 80.4)
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 #6CA3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.044
- Periwinkle Blue #8F99FB ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.069
- Perrywinkle #8F8CE7 ΔE 0.070
- Lavender Blue #8B88F8 ΔE 0.072
- Soft Blue #6488EA ΔE 0.074
- Dark Sky Blue #448EE4 ΔE 0.079
Use #6CA3FF 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.