#6693ED
Closest named color: Cornflower Blue (#6495ED). oklch(67.1% 0.143 263), rgb(102, 147, 237).
Aa
Black text reads best on this color (6.96:1).
About this color
#6693ED is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.143 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.005 away. Black text reads best on it, at 6.96:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #6693ED |
| RGB | rgb(102, 147, 237) |
| HSL | hsl(220, 79%, 66%) |
| OKLCH | oklch(67.1% 0.143 263) |
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 #6693ED | 3.01:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #6693ED | 6.96:1 | AA | Lc 47.3 | Large or bold text, headings |
| #6693ED text on white | 3.01:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #6693ED text on black | 6.96:1 | AA | Lc -45.1 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A2C1FB
oklch(80.9% 0.089 262.7)
-
Step 400
400 (this color)
#6693ED
oklch(67.1% 0.143 263)
-
Step 500
500
#4C83F6
oklch(63.1% 0.182 263)
-
Step 600
600
#3069E5
oklch(55.6% 0.198 263)
-
Step 700
700
#2356C7
oklch(49% 0.185 263)
-
Step 800
800
#1E47A1
oklch(42.6% 0.153 263.1)
-
Step 900
900
#1E3D80
oklch(37.7% 0.119 263.2)
-
Step 950
950
#12244B
oklch(26.9% 0.076 263.5)
#6693ED 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) | #6D9BF1 | 0.024 |
| Deuteranopia (no green cones) | #5C8FEB | 0.016 |
| Tritanopia (no blue cones) | #00A7B5 | 0.126 |
| Achromatopsia (no color) | #949494 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6693ED
#6693ED
oklch(67.1% 0.143 263)
- #BE8C00
#BE8C00
oklch(67.1% 0.138 83.1)
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 #6693ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.005
- Chefchaouen Blue #4895EF ΔE 0.027
- Soft Blue #6488EA ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.039
- Perrywinkle #8F8CE7 ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.055
- Periwinkle Blue #8F99FB ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.058
Use #6693ED 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.