#6B73EF
Closest named color: Cornflower (#6A79F7). oklch(61.3% 0.183 276.8), rgb(107, 115, 239).
Aa
Black text reads best on this color (5.32:1).
About this color
#6B73EF is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.183 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.018 away. Black text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #6B73EF |
| RGB | rgb(107, 115, 239) |
| HSL | hsl(236, 80%, 68%) |
| OKLCH | oklch(61.3% 0.183 276.8) |
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 #6B73EF | 3.94:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #6B73EF | 5.32:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #6B73EF text on white | 3.94:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #6B73EF text on black | 5.32:1 | AA | Lc -35.1 | 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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D0D7FB
oklch(88.5% 0.05 276.6)
-
Step 300
300
#B1BCFB
oklch(80.9% 0.09 276.5)
-
Step 400
400
#8A96F9
oklch(70.6% 0.145 276.8)
-
Step 500
500 (this color)
#6B73EF
oklch(61.3% 0.183 276.8)
-
Step 600
600
#5B5EE4
oklch(55.6% 0.199 276.8)
-
Step 700
700
#4B4CC6
oklch(49% 0.185 276.8)
-
Step 800
800
#3D3FA0
oklch(42.6% 0.154 276.8)
-
Step 900
900
#33377F
oklch(37.6% 0.12 276.6)
-
Step 950
950
#1E214B
oklch(27.1% 0.077 276.9)
#6B73EF 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) | #2D86F3 | 0.067 |
| Deuteranopia (no green cones) | #0F7BEC | 0.073 |
| Tritanopia (no blue cones) | #238FA6 | 0.161 |
| Achromatopsia (no color) | #808080 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B73EF
#6B73EF
oklch(61.3% 0.183 276.8)
- #9A8300
#9A8300
oklch(61.3% 0.126 96.7)
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 #6B73EF, closest first.
No curated palette has a color within ΔE 0.04 of #6B73EF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.018
- Medium Slate Blue #7B68EE ΔE 0.032
- Soft Blue #6488EA ΔE 0.054
- Royal Blue #4169E1 ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.064
- Medium Purple #9370DB ΔE 0.066
- Clear Blue #247AFD ΔE 0.066
- Periwinkle #8E82FE ΔE 0.068
Use #6B73EF 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.