#6B73DC
Closest named color: Cornflower (#6A79F7). oklch(60% 0.157 277.3), rgb(107, 115, 220).
Aa
Black text reads best on this color (5.11:1).
About this color
#6B73DC is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.157 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.041 away. Black text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #6B73DC |
| RGB | rgb(107, 115, 220) |
| HSL | hsl(236, 62%, 64%) |
| OKLCH | oklch(60% 0.157 277.3) |
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 #6B73DC | 4.10:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #6B73DC | 5.11:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #6B73DC text on white | 4.10:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #6B73DC text on black | 5.11:1 | AA | Lc -33.6 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300
#B4BDF3
oklch(81% 0.077 277.2)
-
Step 400
400
#8E98ED
oklch(70.7% 0.124 277.6)
-
Step 500
500 (this color)
#6B73DC
oklch(60% 0.157 277.3)
-
Step 600
600
#5E63D5
oklch(55.6% 0.172 277.3)
-
Step 700
700
#4E51B8
oklch(49% 0.159 277.5)
-
Step 800
800
#3F4395
oklch(42.6% 0.132 277.1)
-
Step 900
900
#353A77
oklch(37.8% 0.103 276.8)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#6B73DC 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) | #4382E0 | 0.053 |
| Deuteranopia (no green cones) | #3779DA | 0.056 |
| Tritanopia (no blue cones) | #3B8A9D | 0.138 |
| Achromatopsia (no color) | #7D7D7D | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B73DC
#6B73DC
oklch(60% 0.157 277.3)
- #958000
#958000
oklch(60.1% 0.124 97.6)
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 #6B73DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.041
- Medium Slate Blue #7B68EE ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.052
- Soft Blue #6488EA ΔE 0.054
- Medium Purple #9370DB ΔE 0.060
- Royal Blue #4169E1 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.063
Use #6B73DC 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.