#6C99FC
Closest named color: Cornflower Blue (#6495ED). oklch(69.5% 0.154 264.3), rgb(108, 153, 252).
Aa
Black text reads best on this color (7.59:1).
About this color
#6C99FC is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.154 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.026 away. Black text reads best on it, at 7.59:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.59:1 |
| White text | 2.76:1 |
Values
| HEX | #6C99FC |
| RGB | rgb(108, 153, 252) |
| HSL | hsl(221, 96%, 71%) |
| OKLCH | oklch(69.5% 0.154 264.3) |
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 #6C99FC | 2.76:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #6C99FC | 7.59:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #6C99FC text on white | 2.76:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #6C99FC text on black | 7.59:1 | AAA | Lc -48.7 | 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
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FD
oklch(88.4% 0.053 265.3)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400 (this color)
#6C99FC
oklch(69.5% 0.154 264.3)
-
Step 500
500
#4B80FF
oklch(63.1% 0.197 264.4)
-
Step 600
600
#3065EE
oklch(55.6% 0.214 264.3)
-
Step 700
700
#2453CF
oklch(49.1% 0.199 264.3)
-
Step 800
800
#1F45A7
oklch(42.7% 0.164 264.4)
-
Step 900
900
#1D3B85
oklch(37.7% 0.13 264.4)
-
Step 950
950
#12234E
oklch(26.9% 0.082 265.1)
#6C99FC 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) | #6FA3FF | 0.027 |
| Deuteranopia (no green cones) | #5C95FA | 0.021 |
| Tritanopia (no blue cones) | #00AFBE | 0.137 |
| Achromatopsia (no color) | #9B9B9B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C99FC
#6C99FC
oklch(69.5% 0.154 264.3)
- #C69400
#C69400
oklch(69.5% 0.143 84.4)
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 #6C99FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.026
- Periwinkle Blue #8F99FB ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.042
- Soft Blue #6488EA ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.053
- Perrywinkle #8F8CE7 ΔE 0.055
- Dark Sky Blue #448EE4 ΔE 0.062
- Dodger Blue #1E90FF ΔE 0.066
Use #6C99FC 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.