#6674DA
Closest named color: Cornflower (#6A79F7). oklch(59.7% 0.155 274.8), rgb(102, 116, 218).
Aa
Black text reads best on this color (5.07:1).
About this color
#6674DA is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.155 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.045 away. Black text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #6674DA |
| RGB | rgb(102, 116, 218) |
| HSL | hsl(233, 61%, 63%) |
| OKLCH | oklch(59.7% 0.155 274.8) |
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 #6674DA | 4.13:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #6674DA | 5.07:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #6674DA text on white | 4.13:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #6674DA text on black | 5.07:1 | AA | Lc -33.4 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F6
oklch(88.6% 0.042 273.7)
-
Step 300
300
#B2BDF2
oklch(80.8% 0.076 275.5)
-
Step 400
400
#8B9AEC
oklch(70.8% 0.121 275)
-
Step 500
500 (this color)
#6674DA
oklch(59.7% 0.155 274.8)
-
Step 600
600
#5965D3
oklch(55.5% 0.168 274.9)
-
Step 700
700
#4953B7
oklch(49% 0.156 274.8)
-
Step 800
800
#3C4594
oklch(42.7% 0.129 274.7)
-
Step 900
900
#333B76
oklch(37.8% 0.1 274.8)
-
Step 950
950
#1E2345
oklch(27.1% 0.063 275.1)
#6674DA 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) | #4682DE | 0.045 |
| Deuteranopia (no green cones) | #3878D8 | 0.048 |
| Tritanopia (no blue cones) | #2F8A9C | 0.137 |
| Achromatopsia (no color) | #7D7D7D | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6674DA
#6674DA
oklch(59.7% 0.155 274.8)
- #977D00
#977D00
oklch(59.7% 0.122 94.3)
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 #6674DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.052
- Soft Blue #6488EA ΔE 0.053
- Royal Blue #4169E1 ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.064
- Medium Purple #9370DB ΔE 0.066
Use #6674DA 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.