#6778EE
Closest named color: Cornflower (#6A79F7). oklch(61.9% 0.177 273.9), rgb(103, 120, 238).
Aa
Black text reads best on this color (5.49:1).
About this color
#6778EE is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.177 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.014 away. Black text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.49:1 |
| White text | 3.81:1 |
Values
| HEX | #6778EE |
| RGB | rgb(103, 120, 238) |
| HSL | hsl(232, 80%, 67%) |
| OKLCH | oklch(61.9% 0.177 273.9) |
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 #6778EE | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #6778EE | 5.49:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #6778EE text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #6778EE 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
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD8FA
oklch(88.6% 0.048 273.7)
-
Step 300
300
#AFBDF9
oklch(80.9% 0.086 274.1)
-
Step 400
400
#8699F6
oklch(70.8% 0.138 273.6)
-
Step 500
500 (this color)
#6778EE
oklch(61.9% 0.177 273.9)
-
Step 600
600
#5462E1
oklch(55.7% 0.192 273.7)
-
Step 700
700
#4550C3
oklch(49.1% 0.178 273.7)
-
Step 800
800
#39429E
oklch(42.7% 0.148 274.1)
-
Step 900
900
#30397D
oklch(37.6% 0.115 273.9)
-
Step 950
950
#1C2249
oklch(27% 0.072 274)
#6778EE 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) | #3B88F2 | 0.053 |
| Deuteranopia (no green cones) | #237DEC | 0.059 |
| Tritanopia (no blue cones) | #0A93A8 | 0.157 |
| Achromatopsia (no color) | #828282 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6778EE
#6778EE
oklch(61.9% 0.177 273.9)
- #9F8300
#9F8300
oklch(61.8% 0.127 93.8)
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 #6778EE, closest first.
No curated palette has a color within ΔE 0.04 of #6778EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.014
- Soft Blue #6488EA ΔE 0.042
- Medium Slate Blue #7B68EE ΔE 0.044
- Clear Blue #247AFD ΔE 0.061
- Royal Blue #4169E1 ΔE 0.065
- Periwinkle #8E82FE ΔE 0.066
- Dark Sky Blue #448EE4 ΔE 0.066
- Lavender Blue #8B88F8 ΔE 0.068
Use #6778EE 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.