#6674EB
Closest named color: Cornflower (#6A79F7). oklch(60.8% 0.178 274.8), rgb(102, 116, 235).
Aa
Black text reads best on this color (5.26:1).
About this color
#6674EB is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.178 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.022 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.26:1 |
| White text | 3.99:1 |
Values
| HEX | #6674EB |
| RGB | rgb(102, 116, 235) |
| HSL | hsl(234, 77%, 66%) |
| OKLCH | oklch(60.8% 0.178 274.8) |
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 #6674EB | 3.99:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #6674EB | 5.26:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #6674EB text on white | 3.99:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #6674EB text on black | 5.26:1 | AA | Lc -34.7 | 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
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD7FA
oklch(88.4% 0.049 275.2)
-
Step 300
300
#B0BDF9
oklch(81% 0.086 274.8)
-
Step 400
400
#8898F7
oklch(70.8% 0.14 275)
-
Step 500
500 (this color)
#6674EB
oklch(60.8% 0.178 274.8)
-
Step 600
600
#5661E2
oklch(55.7% 0.194 274.5)
-
Step 700
700
#474FC4
oklch(49.1% 0.18 274.7)
-
Step 800
800
#3A419E
oklch(42.6% 0.149 274.9)
-
Step 900
900
#31397E
oklch(37.8% 0.116 274.5)
-
Step 950
950
#1D224A
oklch(27.1% 0.074 275)
#6674EB 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) | #3485EF | 0.058 |
| Deuteranopia (no green cones) | #197AE8 | 0.064 |
| Tritanopia (no blue cones) | #0F8FA5 | 0.156 |
| Achromatopsia (no color) | #7F7F7F | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6674EB
#6674EB
oklch(60.8% 0.178 274.8)
- #9B8100
#9B8100
oklch(61% 0.125 94.7)
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 #6674EB, closest first.
No curated palette has a color within ΔE 0.04 of #6674EB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.022
- Medium Slate Blue #7B68EE ΔE 0.038
- Soft Blue #6488EA ΔE 0.051
- Royal Blue #4169E1 ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.061
- Clear Blue #247AFD ΔE 0.062
- Neon Blue #4361EE ΔE 0.067
- Medium Purple #9370DB ΔE 0.069
Use #6674EB 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.