#7178DF
Closest named color: Cornflower (#6A79F7). oklch(61.6% 0.154 277.9), rgb(113, 120, 223).
Aa
Black text reads best on this color (5.45:1).
About this color
#7178DF is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.154 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.037 away. Black text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #7178DF |
| RGB | rgb(113, 120, 223) |
| HSL | hsl(236, 63%, 66%) |
| OKLCH | oklch(61.6% 0.154 277.9) |
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 #7178DF | 3.85:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #7178DF | 5.45:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #7178DF text on white | 3.85:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #7178DF text on black | 5.45:1 | AA | Lc -35.9 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B5BDF1
oklch(81% 0.074 277.8)
-
Step 400
400
#8F98EB
oklch(70.6% 0.121 278.1)
-
Step 500
500 (this color)
#7178DF
oklch(61.6% 0.154 277.9)
-
Step 600
600
#5F63D2
oklch(55.5% 0.168 277.9)
-
Step 700
700
#4F52B6
oklch(49.1% 0.155 277.8)
-
Step 800
800
#414393
oklch(42.6% 0.129 278.3)
-
Step 900
900
#363A75
oklch(37.7% 0.099 277.6)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#7178DF 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) | #4C86E3 | 0.050 |
| Deuteranopia (no green cones) | #427EDD | 0.053 |
| Tritanopia (no blue cones) | #468EA1 | 0.134 |
| Achromatopsia (no color) | #828282 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7178DF
#7178DF
oklch(61.6% 0.154 277.9)
- #9A8500
#9A8500
oklch(61.7% 0.128 98)
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 #7178DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.037
- Soft Blue #6488EA ΔE 0.042
- Medium Slate Blue #7B68EE ΔE 0.048
- Medium Purple #9370DB ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.066
- Dark Periwinkle #665FD1 ΔE 0.067
- Periwinkle #8E82FE ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.068
Use #7178DF 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.