#819EE2
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.5% 0.105 266.1), rgb(129, 158, 226).
Aa
Black text reads best on this color (7.92:1).
About this color
#819EE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.105 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.046 away. Black text reads best on it, at 7.92:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.92:1 |
| White text | 2.65:1 |
Values
| HEX | #819EE2 |
| RGB | rgb(129, 158, 226) |
| HSL | hsl(222, 63%, 70%) |
| OKLCH | oklch(70.5% 0.105 266.1) |
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 #819EE2 | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #819EE2 | 7.92:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #819EE2 text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #819EE2 text on black | 7.92:1 | AAA | Lc -50.4 | 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
#ADC0EC
oklch(80.8% 0.066 266.6)
-
Step 400
400 (this color)
#819EE2
oklch(70.5% 0.105 266.1)
-
Step 500
500
#6385DB
oklch(63% 0.135 266.3)
-
Step 600
600
#4B6DC8
oklch(55.5% 0.146 266.3)
-
Step 700
700
#3C5BAD
oklch(49.1% 0.136 266)
-
Step 800
800
#324B8C
oklch(42.8% 0.112 266)
-
Step 900
900
#2B3F70
oklch(37.7% 0.088 265.7)
-
Step 950
950
#1A2542
oklch(27% 0.056 266.9)
#819EE2 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) | #86A4E5 | 0.018 |
| Deuteranopia (no green cones) | #7C9BE0 | 0.011 |
| Tritanopia (no blue cones) | #5FACB6 | 0.094 |
| Achromatopsia (no color) | #9F9F9F | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819EE2
#819EE2
oklch(70.5% 0.105 266.1)
- #BD9B4C
#BD9B4C
oklch(70.5% 0.106 86.2)
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 #819EE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.069
- Lavender Blue #8B88F8 ΔE 0.072
- Greyblue #77A1B5 ΔE 0.073
- Carolina Blue #8AB8FE ΔE 0.074
- Soft Blue #6488EA ΔE 0.075
Use #819EE2 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.