#6978EC
Closest named color: Cornflower (#6A79F7). oklch(61.9% 0.173 274.6), rgb(105, 120, 236).
Aa
Black text reads best on this color (5.49:1).
About this color
#6978EC is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.173 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.017 away. Black text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.49:1 |
| White text | 3.81:1 |
Values
| HEX | #6978EC |
| RGB | rgb(105, 120, 236) |
| HSL | hsl(233, 78%, 67%) |
| OKLCH | oklch(61.9% 0.173 274.6) |
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 #6978EC | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #6978EC | 5.49:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #6978EC text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #6978EC text on black | 5.49:1 | AA | Lc -36.2 | 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
#CFD7F9
oklch(88.4% 0.048 274.9)
-
Step 300
300
#B0BDF8
oklch(80.9% 0.085 274.7)
-
Step 400
400
#8898F4
oklch(70.6% 0.136 274.9)
-
Step 500
500 (this color)
#6978EC
oklch(61.9% 0.173 274.6)
-
Step 600
600
#5762DF
oklch(55.7% 0.188 274.7)
-
Step 700
700
#4750C1
oklch(49.1% 0.174 274.5)
-
Step 800
800
#3A429C
oklch(42.6% 0.145 274.6)
-
Step 900
900
#31397C
oklch(37.6% 0.113 274.5)
-
Step 950
950
#1D2249
oklch(27% 0.072 275)
#6978EC 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) | #3D88F0 | 0.054 |
| Deuteranopia (no green cones) | #297DEA | 0.059 |
| Tritanopia (no blue cones) | #1E92A7 | 0.153 |
| Achromatopsia (no color) | #828282 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6978EC
#6978EC
oklch(61.9% 0.173 274.6)
- #9E8400
#9E8400
oklch(61.9% 0.127 95)
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 #6978EC, closest first.
No curated palette has a color within ΔE 0.04 of #6978EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.017
- Soft Blue #6488EA ΔE 0.041
- Medium Slate Blue #7B68EE ΔE 0.043
- Clear Blue #247AFD ΔE 0.065
- Periwinkle #8E82FE ΔE 0.065
- Medium Purple #9370DB ΔE 0.066
- Royal Blue #4169E1 ΔE 0.066
- Lavender Blue #8B88F8 ΔE 0.066
Use #6978EC 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.