#6693FF
Closest named color: Cornflower Blue (#6495ED). oklch(68.2% 0.167 265.2), rgb(102, 147, 255).
Aa
Black text reads best on this color (7.18:1).
About this color
#6693FF is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.167 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.029 away. Black text reads best on it, at 7.18:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.18:1 |
| White text | 2.92:1 |
Values
| HEX | #6693FF |
| RGB | rgb(102, 147, 255) |
| HSL | hsl(222, 100%, 70%) |
| OKLCH | oklch(68.2% 0.167 265.2) |
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 #6693FF | 2.92:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #6693FF | 7.18:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #6693FF text on white | 2.92:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #6693FF text on black | 7.18:1 | AAA | Lc -46.4 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400 (this color)
#6693FF
oklch(68.2% 0.167 265.2)
-
Step 500
500
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600
#2F61F8
oklch(55.6% 0.232 265.2)
-
Step 700
700
#234FD8
oklch(49.2% 0.215 265.1)
-
Step 800
800
#1E42AF
oklch(42.8% 0.178 265.2)
-
Step 900
900
#1C398A
oklch(37.6% 0.14 265.2)
-
Step 950
950
#112251
oklch(26.9% 0.089 265.7)
#6693FF 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) | #629EFF | 0.028 |
| Deuteranopia (no green cones) | #4C90FD | 0.027 |
| Tritanopia (no blue cones) | #00ABBD | 0.143 |
| Achromatopsia (no color) | #979797 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6693FF
#6693FF
oklch(68.2% 0.167 265.2)
- #C09100
#C09100
oklch(68.3% 0.14 85.4)
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 #6693FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.029
- Chefchaouen Blue #4895EF ΔE 0.038
- Soft Blue #6488EA ΔE 0.039
- Lavender Blue #8B88F8 ΔE 0.049
- Dodger Blue #1E90FF ΔE 0.053
- Periwinkle Blue #8F99FB ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.059
Use #6693FF 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.