#6697FF
Closest named color: Cornflower Blue (#6495ED). oklch(69% 0.162 263.7), rgb(102, 151, 255).
Aa
Black text reads best on this color (7.43:1).
About this color
#6697FF is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.162 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.027 away. Black text reads best on it, at 7.43:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #6697FF |
| RGB | rgb(102, 151, 255) |
| HSL | hsl(221, 100%, 70%) |
| OKLCH | oklch(69% 0.162 263.7) |
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 #6697FF | 2.82:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #6697FF | 7.43:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #6697FF text on white | 2.82:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #6697FF text on black | 7.43:1 | AAA | Lc -47.8 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400 (this color)
#6697FF
oklch(69% 0.162 263.7)
-
Step 500
500
#4880FF
oklch(63% 0.198 263.8)
-
Step 600
600
#2864F4
oklch(55.6% 0.225 263.6)
-
Step 700
700
#1C51D5
oklch(49.1% 0.21 263.7)
-
Step 800
800
#1944AC
oklch(42.8% 0.173 263.6)
-
Step 900
900
#1A3B88
oklch(37.8% 0.135 263.7)
-
Step 950
950
#102350
oklch(27% 0.086 264.2)
#6697FF 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) | #69A1FF | 0.027 |
| Deuteranopia (no green cones) | #5393FD | 0.023 |
| Tritanopia (no blue cones) | #00AEBF | 0.138 |
| Achromatopsia (no color) | #9A9A9A | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6697FF
#6697FF
oklch(69% 0.162 263.7)
- #C59200
#C59200
oklch(69% 0.142 83.6)
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 #6697FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.027
- Chefchaouen Blue #4895EF ΔE 0.038
- Soft Blue #6488EA ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.054
- Dodger Blue #1E90FF ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.060
Use #6697FF 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.