#7781DA
Closest named color: Soft Blue (#6488EA). oklch(63.5% 0.133 277), rgb(119, 129, 218).
Aa
Black text reads best on this color (5.93:1).
About this color
#7781DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.133 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.033 away. Black text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #7781DA |
| RGB | rgb(119, 129, 218) |
| HSL | hsl(234, 57%, 66%) |
| OKLCH | oklch(63.5% 0.133 277) |
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 #7781DA | 3.53:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #7781DA | 5.93:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #7781DA text on white | 3.53:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #7781DA text on black | 5.93:1 | AA | Lc -38.9 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D8F2
oklch(88.6% 0.036 277)
-
Step 300
300
#B5BDEB
oklch(80.8% 0.066 277.1)
-
Step 400
400
#909AE1
oklch(70.6% 0.104 277.2)
-
Step 500
500 (this color)
#7781DA
oklch(63.5% 0.133 277)
-
Step 600
600
#6068C6
oklch(55.7% 0.144 277)
-
Step 700
700
#4F56AB
oklch(49.1% 0.134 276.7)
-
Step 800
800
#41468B
oklch(42.6% 0.113 277.4)
-
Step 900
900
#373C6F
oklch(37.8% 0.087 277.2)
-
Step 950
950
#202341
oklch(27% 0.056 277.7)
#7781DA 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) | #5F8CDD | 0.037 |
| Deuteranopia (no green cones) | #5884D8 | 0.038 |
| Tritanopia (no blue cones) | #5493A3 | 0.117 |
| Achromatopsia (no color) | #888888 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7781DA
#7781DA
oklch(63.5% 0.133 277)
- #A18A00
#A18A00
oklch(63.5% 0.131 97.3)
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 #7781DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.033
- Perrywinkle #8F8CE7 ΔE 0.049
- Cornflower #6A79F7 ΔE 0.054
- Lavender Blue #8B88F8 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.055
- Medium Purple #9370DB ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.059
- Periwinkle #8E82FE ΔE 0.064
Use #7781DA 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.