#809DCB
Closest named color: Greyblue (#77A1B5). oklch(69.1% 0.076 259.5), rgb(128, 157, 203).
Aa
Black text reads best on this color (7.60:1).
About this color
#809DCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.076 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.040 away. Black text reads best on it, at 7.60:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.60:1 |
| White text | 2.76:1 |
Values
| HEX | #809DCB |
| RGB | rgb(128, 157, 203) |
| HSL | hsl(217, 42%, 65%) |
| OKLCH | oklch(69.1% 0.076 259.5) |
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 #809DCB | 2.76:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #809DCB | 7.60:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #809DCB text on white | 2.76:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #809DCB text on black | 7.60:1 | AAA | Lc -48.6 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AFC2E0
oklch(80.9% 0.047 259.5)
-
Step 400
400 (this color)
#809DCB
oklch(69.1% 0.076 259.5)
-
Step 500
500
#668AC4
oklch(63.1% 0.097 259.7)
-
Step 600
600
#4D73B0
oklch(55.5% 0.105 259.5)
-
Step 700
700
#3E6098
oklch(49% 0.099 259.9)
-
Step 800
800
#334F7B
oklch(42.7% 0.081 259.1)
-
Step 900
900
#2D4263
oklch(37.7% 0.063 259.2)
-
Step 950
950
#1B273A
oklch(27.1% 0.039 259.4)
#809DCB 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) | #8D9FCD | 0.018 |
| Deuteranopia (no green cones) | #8598CA | 0.014 |
| Tritanopia (no blue cones) | #68A7AD | 0.067 |
| Achromatopsia (no color) | #9C9C9C | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #809DCB
#809DCB
oklch(69.1% 0.076 259.5)
- #B59765
#B59765
oklch(69.2% 0.076 79.8)
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 #809DCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.040
- Cool Gray #8D99AE ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.060
- Silver Lake Blue #778DA9 ΔE 0.061
- Faded Blue #658CBB ΔE 0.062
- Cool Grey #95A3A6 ΔE 0.067
Use #809DCB 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.