#7C81FC
Closest named color: Periwinkle (#8E82FE). oklch(65.8% 0.179 278.5), rgb(124, 129, 252).
Aa
Black text reads best on this color (6.40:1).
About this color
#7C81FC is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.179 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.026 away. Black text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.179) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #7C81FC |
| RGB | rgb(124, 129, 252) |
| HSL | hsl(238, 96%, 74%) |
| OKLCH | oklch(65.8% 0.179 278.5) |
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 #7C81FC | 3.27:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #7C81FC | 6.40:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #7C81FC text on white | 3.27:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #7C81FC text on black | 6.40:1 | AA | Lc -41.8 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D1D7FA
oklch(88.6% 0.049 277.7)
-
Step 300
300
#B3BBF9
oklch(80.8% 0.088 278.5)
-
Step 400
400
#8E96F6
oklch(70.7% 0.14 278.6)
-
Step 500
500 (this color)
#7C81FC
oklch(65.8% 0.179 278.5)
-
Step 600
600
#5F5EE1
oklch(55.7% 0.194 278.4)
-
Step 700
700
#4F4CC4
oklch(49.1% 0.182 278.5)
-
Step 800
800
#403F9E
oklch(42.6% 0.15 278.4)
-
Step 900
900
#36377E
oklch(37.8% 0.117 278.6)
-
Step 950
950
#1F214A
oklch(27.1% 0.075 278.1)
#7C81FC 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) | #4793FF | 0.065 |
| Deuteranopia (no green cones) | #3989F9 | 0.069 |
| Tritanopia (no blue cones) | #479CB3 | 0.156 |
| Achromatopsia (no color) | #8E8E8E | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C81FC
#7C81FC
oklch(65.8% 0.179 278.5)
- #A89200
#A89200
oklch(66% 0.137 98.5)
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 #7C81FC, closest first.
No curated palette has a color within ΔE 0.04 of #7C81FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.026
- Lavender Blue #8B88F8 ΔE 0.030
- Cornflower #6A79F7 ΔE 0.033
- Soft Blue #6488EA ΔE 0.045
- Perrywinkle #8F8CE7 ΔE 0.054
- Medium Slate Blue #7B68EE ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.063
- Medium Purple #9370DB ΔE 0.065
Use #7C81FC 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.