#819BE2
Closest named color: Cornflower Blue (#6495ED). oklch(69.8% 0.109 268.2), rgb(129, 155, 226).
Aa
Black text reads best on this color (7.72:1).
About this color
#819BE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.109 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.043 away. Black text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.72:1 |
| White text | 2.72:1 |
Values
| HEX | #819BE2 |
| RGB | rgb(129, 155, 226) |
| HSL | hsl(224, 63%, 70%) |
| OKLCH | oklch(69.8% 0.109 268.2) |
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 #819BE2 | 2.72:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #819BE2 | 7.72:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #819BE2 text on white | 2.72:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #819BE2 text on black | 7.72:1 | AAA | Lc -49.3 | 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
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#AEC0EE
oklch(81% 0.068 268.2)
-
Step 400
400 (this color)
#819BE2
oklch(69.8% 0.109 268.2)
-
Step 500
500
#6684DD
oklch(63.1% 0.138 268.2)
-
Step 600
600
#4E6CCB
oklch(55.7% 0.151 268.1)
-
Step 700
700
#3F59B0
oklch(49.1% 0.142 268.3)
-
Step 800
800
#34498E
oklch(42.6% 0.117 268.4)
-
Step 900
900
#2D3E71
oklch(37.7% 0.09 268)
-
Step 950
950
#1A2542
oklch(27% 0.056 266.9)
#819BE2 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) | #82A1E5 | 0.016 |
| Deuteranopia (no green cones) | #7899E0 | 0.013 |
| Tritanopia (no blue cones) | #5FAAB4 | 0.099 |
| Achromatopsia (no color) | #9D9D9D | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #819BE2
#819BE2
oklch(69.8% 0.109 268.2)
- #BA9A47
#BA9A47
oklch(69.9% 0.109 88.2)
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 #819BE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.043
- Periwinkle Blue #8F99FB ΔE 0.043
- Perrywinkle #8F8CE7 ΔE 0.044
- Lavender Blue #8B88F8 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.066
- Soft Blue #6488EA ΔE 0.068
- Greyblue #77A1B5 ΔE 0.076
- Faded Blue #658CBB ΔE 0.077
Use #819BE2 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.