#809FDB
Closest named color: Cornflower Blue (#6495ED). oklch(70.3% 0.095 263.1), rgb(128, 159, 219).
Aa
Black text reads best on this color (7.89:1).
About this color
#809FDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.095 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.054 away. Black text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #809FDB |
| RGB | rgb(128, 159, 219) |
| HSL | hsl(220, 56%, 68%) |
| OKLCH | oklch(70.3% 0.095 263.1) |
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 #809FDB | 2.65:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #809FDB | 7.89:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #809FDB text on white | 2.65:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #809FDB text on black | 7.89:1 | AAA | Lc -50.2 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAF0
oklch(88.6% 0.033 262.7)
-
Step 300
300
#ADC1E8
oklch(80.9% 0.06 263.7)
-
Step 400
400 (this color)
#809FDB
oklch(70.3% 0.095 263.1)
-
Step 500
500
#6288D3
oklch(63.2% 0.121 263)
-
Step 600
600
#4970C0
oklch(55.6% 0.132 263.2)
-
Step 700
700
#3A5EA6
oklch(49.2% 0.123 262.7)
-
Step 800
800
#304D86
oklch(42.7% 0.101 262.6)
-
Step 900
900
#2B406C
oklch(37.7% 0.08 263.7)
-
Step 950
950
#19263F
oklch(27% 0.05 262.6)
#809FDB 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) | #8AA3DE | 0.018 |
| Deuteranopia (no green cones) | #809BDA | 0.011 |
| Tritanopia (no blue cones) | #60ACB4 | 0.086 |
| Achromatopsia (no color) | #9F9F9F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #809FDB
#809FDB
oklch(70.3% 0.095 263.1)
- #BC9A57
#BC9A57
oklch(70.3% 0.095 83.1)
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 #809FDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.054
- Periwinkle Blue #8F99FB ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.059
- Greyblue #77A1B5 ΔE 0.061
- Cool Gray #8D99AE ΔE 0.065
- Bluey Grey #89A0B0 ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.066
- Chefchaouen Blue #4895EF ΔE 0.074
Use #809FDB 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.