#6CA3FB
Closest named color: Cornflower Blue (#6495ED). oklch(71.6% 0.142 259.4), rgb(108, 163, 251).
Aa
Black text reads best on this color (8.26:1).
About this color
#6CA3FB is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.142 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.041 away. Black text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.26:1 |
| White text | 2.53:1 |
Values
| HEX | #6CA3FB |
| RGB | rgb(108, 163, 251) |
| HSL | hsl(217, 95%, 70%) |
| OKLCH | oklch(71.6% 0.142 259.4) |
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 #6CA3FB | 2.53:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #6CA3FB | 8.26:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #6CA3FB text on white | 2.53:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #6CA3FB text on black | 8.26:1 | AAA | Lc -52.4 | 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
#C6DAFA
oklch(88.4% 0.049 259.8)
-
Step 300
300
#9FC2FA
oklch(80.9% 0.088 259.7)
-
Step 400
400 (this color)
#6CA3FB
oklch(71.6% 0.142 259.4)
-
Step 500
500
#4085F5
oklch(63% 0.182 259.7)
-
Step 600
600
#1D6CE4
oklch(55.7% 0.197 259.5)
-
Step 700
700
#0E59C6
oklch(49.1% 0.184 259.5)
-
Step 800
800
#104AA0
oklch(42.8% 0.151 259.2)
-
Step 900
900
#163F7F
oklch(37.8% 0.118 259.3)
-
Step 950
950
#0E254A
oklch(26.9% 0.075 259.5)
#6CA3FB 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) | #7FAAFF | 0.030 |
| Deuteranopia (no green cones) | #6C9CF9 | 0.018 |
| Tritanopia (no blue cones) | #00B7C3 | 0.125 |
| Achromatopsia (no color) | #A2A2A2 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CA3FB
#6CA3FB
oklch(71.6% 0.142 259.4)
- #D2971C
#D2971C
oklch(71.5% 0.142 79.2)
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 #6CA3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.041
- Periwinkle Blue #8F99FB ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.068
- Carolina Blue #8AB8FE ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.073
- Soft Blue #6488EA ΔE 0.073
- Dark Sky Blue #448EE4 ΔE 0.077
Use #6CA3FB 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.