#8183FB
Closest named color: Periwinkle (#8E82FE). oklch(66.5% 0.174 279.8), rgb(129, 131, 251).
Aa
Black text reads best on this color (6.57:1).
About this color
#8183FB is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.174 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.019 away. Black text reads best on it, at 6.57:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #8183FB |
| RGB | rgb(129, 131, 251) |
| HSL | hsl(239, 94%, 75%) |
| OKLCH | oklch(66.5% 0.174 279.8) |
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 #8183FB | 3.19:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #8183FB | 6.57:1 | AA | Lc 45.1 | Large or bold text, headings |
| #8183FB text on white | 3.19:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #8183FB text on black | 6.57:1 | AA | Lc -42.8 | 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
#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
#B5BBF7
oklch(80.9% 0.085 279.9)
-
Step 400
400
#9096F4
oklch(70.8% 0.137 279.5)
-
Step 500
500 (this color)
#8183FB
oklch(66.5% 0.174 279.8)
-
Step 600
600
#625EDE
oklch(55.7% 0.19 279.7)
-
Step 700
700
#524CC0
oklch(49% 0.176 280)
-
Step 800
800
#433F9C
oklch(42.7% 0.147 280.1)
-
Step 900
900
#38377C
oklch(37.8% 0.114 280.1)
-
Step 950
950
#202148
oklch(27% 0.071 279.4)
#8183FB 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) | #4D95FF | 0.066 |
| Deuteranopia (no green cones) | #438BF8 | 0.068 |
| Tritanopia (no blue cones) | #539DB3 | 0.152 |
| Achromatopsia (no color) | #909090 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8183FB
#8183FB
oklch(66.5% 0.174 279.8)
- #A89400
#A89400
oklch(66.4% 0.138 99.6)
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 #8183FB, closest first.
No curated palette has a color within ΔE 0.04 of #8183FB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.019
- Lavender Blue #8B88F8 ΔE 0.021
- Cornflower #6A79F7 ΔE 0.042
- Perrywinkle #8F8CE7 ΔE 0.046
- Soft Blue #6488EA ΔE 0.047
- Periwinkle Blue #8F99FB ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.061
- Medium Purple #9370DB ΔE 0.064
Use #8183FB 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.