#6B75E8
Closest named color: Cornflower (#6A79F7). oklch(61.2% 0.171 276.3), rgb(107, 117, 232).
Aa
Black text reads best on this color (5.33:1).
About this color
#6B75E8 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.171 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.023 away. Black text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #6B75E8 |
| RGB | rgb(107, 117, 232) |
| HSL | hsl(235, 73%, 66%) |
| OKLCH | oklch(61.2% 0.171 276.3) |
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 #6B75E8 | 3.93:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #6B75E8 | 5.33:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #6B75E8 text on white | 3.93:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #6B75E8 text on black | 5.33:1 | AA | Lc -35.2 | 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
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7F9
oklch(88.5% 0.047 276.2)
-
Step 300
300
#B2BCF7
oklch(80.8% 0.084 276.9)
-
Step 400
400
#8B98F3
oklch(70.8% 0.133 276.3)
-
Step 500
500 (this color)
#6B75E8
oklch(61.2% 0.171 276.3)
-
Step 600
600
#5B61DD
oklch(55.6% 0.186 276.4)
-
Step 700
700
#4B4FC0
oklch(49.1% 0.173 276.4)
-
Step 800
800
#3D429B
oklch(42.7% 0.143 276.1)
-
Step 900
900
#34397B
oklch(37.8% 0.11 276.5)
-
Step 950
950
#1E2248
oklch(27% 0.07 276.2)
#6B75E8 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) | #3B86EC | 0.059 |
| Deuteranopia (no green cones) | #2A7BE6 | 0.062 |
| Tritanopia (no blue cones) | #2D8FA4 | 0.151 |
| Achromatopsia (no color) | #808080 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B75E8
#6B75E8
oklch(61.2% 0.171 276.3)
- #9A8200
#9A8200
oklch(61.1% 0.126 96)
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 #6B75E8, closest first.
No curated palette has a color within ΔE 0.04 of #6B75E8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.023
- Medium Slate Blue #7B68EE ΔE 0.038
- Soft Blue #6488EA ΔE 0.047
- Medium Purple #9370DB ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.062
- Royal Blue #4169E1 ΔE 0.063
- Periwinkle #8E82FE ΔE 0.069
- Clear Blue #247AFD ΔE 0.069
Use #6B75E8 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.