#6B74E8
Closest named color: Cornflower (#6A79F7). oklch(61% 0.173 276.7), rgb(107, 116, 232).
Aa
Black text reads best on this color (5.28:1).
About this color
#6B74E8 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.173 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.024 away. Black text reads best on it, at 5.28:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #6B74E8 |
| RGB | rgb(107, 116, 232) |
| HSL | hsl(236, 73%, 66%) |
| OKLCH | oklch(61% 0.173 276.7) |
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 #6B74E8 | 3.97:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #6B74E8 | 5.28:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #6B74E8 text on white | 3.97:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #6B74E8 text on black | 5.28:1 | AA | Lc -34.9 | 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
#8B97F4
oklch(70.6% 0.136 276.7)
-
Step 500
500 (this color)
#6B74E8
oklch(61% 0.173 276.7)
-
Step 600
600
#5B60DE
oklch(55.5% 0.188 276.6)
-
Step 700
700
#4C4FC1
oklch(49.2% 0.175 276.7)
-
Step 800
800
#3E419C
oklch(42.7% 0.145 276.9)
-
Step 900
900
#34387C
oklch(37.6% 0.113 276.9)
-
Step 950
950
#1E2248
oklch(27% 0.07 276.2)
#6B74E8 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) | #3985EC | 0.060 |
| Deuteranopia (no green cones) | #277BE6 | 0.064 |
| Tritanopia (no blue cones) | #2E8EA3 | 0.152 |
| Achromatopsia (no color) | #808080 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B74E8
#6B74E8
oklch(61% 0.173 276.7)
- #998200
#998200
oklch(61% 0.126 96.6)
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 #6B74E8, closest first.
No curated palette has a color within ΔE 0.04 of #6B74E8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.024
- Medium Slate Blue #7B68EE ΔE 0.036
- Soft Blue #6488EA ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.060
- Royal Blue #4169E1 ΔE 0.061
- Medium Purple #9370DB ΔE 0.062
- Light Indigo #6D5ACF ΔE 0.069
- Clear Blue #247AFD ΔE 0.069
Use #6B74E8 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.