#6670E7
Closest named color: Cornflower (#6A79F7). oklch(59.8% 0.178 276), rgb(102, 112, 231).
Aa
Black text reads best on this color (5.03:1).
About this color
#6670E7 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.178 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.032 away. Black text reads best on it, at 5.03:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.03:1 |
| White text | 4.16:1 |
Values
| HEX | #6670E7 |
| RGB | rgb(102, 112, 231) |
| HSL | hsl(235, 73%, 65%) |
| OKLCH | oklch(59.8% 0.178 276) |
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 #6670E7 | 4.16:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #6670E7 | 5.03:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #6670E7 text on white | 4.16:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #6670E7 text on black | 5.03:1 | AA | Lc -33.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300
#B1BCF9
oklch(80.8% 0.087 276.4)
-
Step 400
400
#8A97F6
oklch(70.6% 0.139 276.3)
-
Step 500
500 (this color)
#6670E7
oklch(59.8% 0.178 276)
-
Step 600
600
#5960E1
oklch(55.6% 0.193 275.8)
-
Step 700
700
#4A4EC3
oklch(49.1% 0.179 276.1)
-
Step 800
800
#3C419E
oklch(42.7% 0.148 275.8)
-
Step 900
900
#33387E
oklch(37.7% 0.117 276.2)
-
Step 950
950
#1D2149
oklch(26.8% 0.073 276)
#6670E7 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) | #2E82EB | 0.063 |
| Deuteranopia (no green cones) | #1277E4 | 0.068 |
| Tritanopia (no blue cones) | #1C8BA1 | 0.156 |
| Achromatopsia (no color) | #7C7C7C | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6670E7
#6670E7
oklch(59.8% 0.178 276)
- #967E00
#967E00
oklch(59.8% 0.123 95.6)
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 #6670E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.032
- Medium Slate Blue #7B68EE ΔE 0.035
- Royal Blue #4169E1 ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.050
- Soft Blue #6488EA ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.060
- Neon Blue #4361EE ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.062
Use #6670E7 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.