#809DFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.4% 0.141 269.6), rgb(128, 157, 251).
Aa
Black text reads best on this color (8.13:1).
About this color
#809DFB is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.141 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.020 away. Black text reads best on it, at 8.13:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.13:1 |
| White text | 2.58:1 |
Values
| HEX | #809DFB |
| RGB | rgb(128, 157, 251) |
| HSL | hsl(226, 94%, 74%) |
| OKLCH | oklch(71.4% 0.141 269.6) |
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 #809DFB | 2.58:1 | Fails | Lc -55.5 | Large or bold text, headings |
| Black text on #809DFB | 8.13:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #809DFB text on white | 2.58:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #809DFB text on black | 8.13:1 | AAA | Lc -51.6 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CCD8FB
oklch(88.4% 0.05 270.4)
-
Step 300
300
#AABFFB
oklch(81% 0.088 269.4)
-
Step 400
400 (this color)
#809DFB
oklch(71.4% 0.141 269.6)
-
Step 500
500
#5F7EF5
oklch(63% 0.181 269.6)
-
Step 600
600
#4864E4
oklch(55.6% 0.196 269.6)
-
Step 700
700
#3A52C6
oklch(49.1% 0.182 269.5)
-
Step 800
800
#3044A0
oklch(42.7% 0.151 269.6)
-
Step 900
900
#2A3A7F
oklch(37.6% 0.118 270)
-
Step 950
950
#18234A
oklch(27% 0.074 269.2)
#809DFB 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) | #79A7FF | 0.025 |
| Deuteranopia (no green cones) | #6C9CF9 | 0.024 |
| Tritanopia (no blue cones) | #4CB1C0 | 0.127 |
| Achromatopsia (no color) | #A1A1A1 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #809DFB
#809DFB
oklch(71.4% 0.141 269.6)
- #C69D17
#C69D17
oklch(71.4% 0.141 89.1)
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 #809DFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.020
- Cornflower Blue #6495ED ΔE 0.045
- Perrywinkle #8F8CE7 ΔE 0.048
- Lavender Blue #8B88F8 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.066
- Periwinkle #8E82FE ΔE 0.069
- Soft Blue #6488EA ΔE 0.070
- Carolina Blue #8AB8FE ΔE 0.073
Use #809DFB 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.