#819FE2
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.7% 0.104 265.4), rgb(129, 159, 226).
Aa
Black text reads best on this color (7.99:1).
About this color
#819FE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.104 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.047 away. Black text reads best on it, at 7.99:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #819FE2 |
| RGB | rgb(129, 159, 226) |
| HSL | hsl(221, 63%, 70%) |
| OKLCH | oklch(70.7% 0.104 265.4) |
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 #819FE2 | 2.62:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #819FE2 | 7.99:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #819FE2 text on white | 2.62:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #819FE2 text on black | 7.99:1 | AAA | Lc -50.7 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ACC1EC
oklch(81% 0.065 264.5)
-
Step 400
400 (this color)
#819FE2
oklch(70.7% 0.104 265.4)
-
Step 500
500
#6286DA
oklch(63.1% 0.133 265.3)
-
Step 600
600
#4A6EC7
oklch(55.6% 0.144 265.4)
-
Step 700
700
#3B5BAC
oklch(49% 0.135 265.5)
-
Step 800
800
#314B8C
oklch(42.7% 0.112 265.5)
-
Step 900
900
#2B3F70
oklch(37.7% 0.088 265.7)
-
Step 950
950
#192541
oklch(26.9% 0.055 265.3)
#819FE2 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) | #87A4E5 | 0.016 |
| Deuteranopia (no green cones) | #7D9CE0 | 0.010 |
| Tritanopia (no blue cones) | #5EADB7 | 0.093 |
| Achromatopsia (no color) | #A0A0A0 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819FE2
#819FE2
oklch(70.7% 0.104 265.4)
- #BE9B4E
#BE9B4E
oklch(70.6% 0.104 85.1)
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 #819FE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.071
- Greyblue #77A1B5 ΔE 0.072
- Carolina Blue #8AB8FE ΔE 0.072
- Lavender Blue #8B88F8 ΔE 0.074
- Cool Gray #8D99AE ΔE 0.075
Use #819FE2 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.