#6C75E1
Closest named color: Cornflower (#6A79F7). oklch(60.8% 0.162 276.9), rgb(108, 117, 225).
Aa
Black text reads best on this color (5.26:1).
About this color
#6C75E1 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.162 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.033 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #6C75E1 |
| RGB | rgb(108, 117, 225) |
| HSL | hsl(235, 66%, 65%) |
| OKLCH | oklch(60.8% 0.162 276.9) |
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 #6C75E1 | 3.98:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #6C75E1 | 5.26:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #6C75E1 text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #6C75E1 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B3BDF4
oklch(81% 0.079 276.5)
-
Step 400
400
#8D98EE
oklch(70.6% 0.126 277.1)
-
Step 500
500 (this color)
#6C75E1
oklch(60.8% 0.162 276.9)
-
Step 600
600
#5D63D7
oklch(55.7% 0.175 276.9)
-
Step 700
700
#4D51BB
oklch(49.2% 0.164 276.9)
-
Step 800
800
#3F4397
oklch(42.8% 0.135 277)
-
Step 900
900
#353978
oklch(37.6% 0.106 277.3)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#6C75E1 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) | #4384E5 | 0.053 |
| Deuteranopia (no green cones) | #367BDF | 0.056 |
| Tritanopia (no blue cones) | #388DA0 | 0.143 |
| Achromatopsia (no color) | #7F7F7F | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C75E1
#6C75E1
oklch(60.8% 0.162 276.9)
- #988200
#988200
oklch(60.9% 0.126 97.2)
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 #6C75E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.033
- Medium Slate Blue #7B68EE ΔE 0.042
- Soft Blue #6488EA ΔE 0.048
- Medium Purple #9370DB ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.058
- Royal Blue #4169E1 ΔE 0.063
- Light Indigo #6D5ACF ΔE 0.068
- Slate Blue #6A5ACD ΔE 0.070
Use #6C75E1 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.