#819FF2
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.4% 0.126 268), rgb(129, 159, 242).
Aa
Black text reads best on this color (8.17:1).
About this color
#819FF2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.126 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.028 away. Black text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #819FF2 |
| RGB | rgb(129, 159, 242) |
| HSL | hsl(224, 81%, 73%) |
| OKLCH | oklch(71.4% 0.126 268) |
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 #819FF2 | 2.56:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #819FF2 | 8.17:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #819FF2 text on white | 2.56:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #819FF2 text on black | 8.17:1 | AAA | Lc -51.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ABBFF5
oklch(80.9% 0.08 268.8)
-
Step 400
400 (this color)
#819FF2
oklch(71.4% 0.126 268)
-
Step 500
500
#6082EA
oklch(63.2% 0.161 268)
-
Step 600
600
#4869D8
oklch(55.7% 0.174 267.9)
-
Step 700
700
#3A56BC
oklch(49.1% 0.164 268.2)
-
Step 800
800
#304798
oklch(42.7% 0.135 268.2)
-
Step 900
900
#2A3D79
oklch(37.8% 0.105 267.9)
-
Step 950
950
#182447
oklch(27% 0.067 267.5)
#819FF2 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) | #80A7F5 | 0.021 |
| Deuteranopia (no green cones) | #759DF0 | 0.016 |
| Tritanopia (no blue cones) | #55B0BD | 0.113 |
| Achromatopsia (no color) | #A1A1A1 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819FF2
#819FF2
oklch(71.4% 0.126 268)
- #C49E36
#C49E36
oklch(71.6% 0.126 88.1)
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 #819FF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.045
- Perrywinkle #8F8CE7 ΔE 0.049
- Lavender Blue #8B88F8 ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.067
- Soft Blue #6488EA ΔE 0.073
- Periwinkle #8E82FE ΔE 0.079
Use #819FF2 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.