#6C72DA
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.8% 0.156 278.1), rgb(108, 114, 218).
Aa
Black text reads best on this color (5.05:1).
About this color
#6C72DA is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.156 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.045 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #6C72DA |
| RGB | rgb(108, 114, 218) |
| HSL | hsl(237, 60%, 64%) |
| OKLCH | oklch(59.8% 0.156 278.1) |
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 #6C72DA | 4.15:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #6C72DA | 5.05:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #6C72DA text on white | 4.15:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #6C72DA text on black | 5.05:1 | AA | Lc -33.3 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
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
#B5BCF2
oklch(80.9% 0.077 278.8)
-
Step 400
400
#8F98EC
oklch(70.7% 0.123 278.1)
-
Step 500
500 (this color)
#6C72DA
oklch(59.8% 0.156 278.1)
-
Step 600
600
#6063D3
oklch(55.6% 0.169 278.2)
-
Step 700
700
#4F51B7
oklch(49% 0.158 278)
-
Step 800
800
#414394
oklch(42.7% 0.13 278.3)
-
Step 900
900
#363976
oklch(37.6% 0.102 278.1)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#6C72DA 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) | #4381DE | 0.054 |
| Deuteranopia (no green cones) | #3878D8 | 0.057 |
| Tritanopia (no blue cones) | #3F899C | 0.136 |
| Achromatopsia (no color) | #7C7C7C | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C72DA
#6C72DA
oklch(59.8% 0.156 278.1)
- #937F00
#937F00
oklch(59.7% 0.123 98.1)
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 #6C72DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.045
- Cornflower #6A79F7 ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.049
- Soft Blue #6488EA ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.059
- Medium Purple #9370DB ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.060
- Royal Blue #4169E1 ΔE 0.061
Use #6C72DA 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.