#7F81FA
Closest named color: Periwinkle (#8E82FE). oklch(65.9% 0.176 279.7), rgb(127, 129, 250).
Aa
Black text reads best on this color (6.42:1).
About this color
#7F81FA is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.176 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.023 away. Black text reads best on it, at 6.42:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #7F81FA |
| RGB | rgb(127, 129, 250) |
| HSL | hsl(239, 92%, 74%) |
| OKLCH | oklch(65.9% 0.176 279.7) |
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 #7F81FA | 3.26:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #7F81FA | 6.42:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #7F81FA text on white | 3.26:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #7F81FA text on black | 6.42:1 | AA | Lc -41.9 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6F9
oklch(88.4% 0.048 280.2)
-
Step 300
300
#B5BBF8
oklch(80.9% 0.086 279.9)
-
Step 400
400
#9096F4
oklch(70.8% 0.137 279.5)
-
Step 500
500 (this color)
#7F81FA
oklch(65.9% 0.176 279.7)
-
Step 600
600
#625DDF
oklch(55.6% 0.192 279.8)
-
Step 700
700
#514CC1
oklch(49% 0.177 279.5)
-
Step 800
800
#423F9C
oklch(42.6% 0.147 279.6)
-
Step 900
900
#37377C
oklch(37.7% 0.114 279.4)
-
Step 950
950
#202149
oklch(27.1% 0.073 279.3)
#7F81FA 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) | #4993FE | 0.067 |
| Deuteranopia (no green cones) | #3F8AF7 | 0.069 |
| Tritanopia (no blue cones) | #4F9BB2 | 0.152 |
| Achromatopsia (no color) | #8E8E8E | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F81FA
#7F81FA
oklch(65.9% 0.176 279.7)
- #A69300
#A69300
oklch(66% 0.137 100.1)
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 #7F81FA, closest first.
No curated palette has a color within ΔE 0.04 of #7F81FA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.023
- Lavender Blue #8B88F8 ΔE 0.026
- Cornflower #6A79F7 ΔE 0.036
- Soft Blue #6488EA ΔE 0.045
- Perrywinkle #8F8CE7 ΔE 0.050
- Medium Slate Blue #7B68EE ΔE 0.061
- Medium Purple #9370DB ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.063
Use #7F81FA 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.