#6B79DD
Closest named color: Cornflower (#6A79F7). oklch(61.2% 0.151 275), rgb(107, 121, 221).
Aa
Black text reads best on this color (5.40:1).
About this color
#6B79DD is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.151 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.039 away. Black text reads best on it, at 5.40:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #6B79DD |
| RGB | rgb(107, 121, 221) |
| HSL | hsl(233, 63%, 64%) |
| OKLCH | oklch(61.2% 0.151 275) |
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 #6B79DD | 3.88:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #6B79DD | 5.40:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #6B79DD text on white | 3.88:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #6B79DD text on black | 5.40:1 | AA | Lc -35.5 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BDF1
oklch(80.8% 0.075 275.3)
-
Step 400
400
#8B9AEA
oklch(70.7% 0.118 274.9)
-
Step 500
500 (this color)
#6B79DD
oklch(61.2% 0.151 275)
-
Step 600
600
#5A66D1
oklch(55.6% 0.163 275)
-
Step 700
700
#4A54B5
oklch(49.1% 0.152 274.9)
-
Step 800
800
#3D4593
oklch(42.7% 0.127 275.3)
-
Step 900
900
#333B75
oklch(37.7% 0.099 274.8)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#6B79DD 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) | #4E86E1 | 0.042 |
| Deuteranopia (no green cones) | #427DDB | 0.045 |
| Tritanopia (no blue cones) | #398FA0 | 0.134 |
| Achromatopsia (no color) | #818181 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B79DD
#6B79DD
oklch(61.2% 0.151 275)
- #9C8200
#9C8200
oklch(61.3% 0.126 94.8)
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 #6B79DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.039
- Soft Blue #6488EA ΔE 0.040
- Medium Slate Blue #7B68EE ΔE 0.054
- Medium Purple #9370DB ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.066
- Royal Blue #4169E1 ΔE 0.069
- Lavender Blue #8B88F8 ΔE 0.071
Use #6B79DD 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.