#5F79CE
Closest named color: Windows Blue (#3778BF). oklch(59.6% 0.133 269.2), rgb(95, 121, 206).
Aa
Black text reads best on this color (5.11:1).
About this color
#5F79CE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.133 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.049 away. Black text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #5F79CE |
| RGB | rgb(95, 121, 206) |
| HSL | hsl(226, 53%, 59%) |
| OKLCH | oklch(59.6% 0.133 269.2) |
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 #5F79CE | 4.10:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #5F79CE | 5.11:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #5F79CE text on white | 4.10:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #5F79CE text on black | 5.11:1 | AA | Lc -33.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFC0EC
oklch(81% 0.065 268.4)
-
Step 400
400
#869EE2
oklch(70.8% 0.104 268.8)
-
Step 500
500 (this color)
#5F79CE
oklch(59.6% 0.133 269.2)
-
Step 600
600
#516CC7
oklch(55.6% 0.144 268.9)
-
Step 700
700
#4259AC
oklch(49% 0.135 269.3)
-
Step 800
800
#37498C
oklch(42.7% 0.113 269.8)
-
Step 900
900
#2F3E70
oklch(37.7% 0.088 269.3)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#5F79CE 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) | #5682D1 | 0.024 |
| Deuteranopia (no green cones) | #4979CC | 0.025 |
| Tritanopia (no blue cones) | #258B99 | 0.119 |
| Achromatopsia (no color) | #7D7D7D | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F79CE
#5F79CE
oklch(59.6% 0.133 269.2)
- #9C7A00
#9C7A00
oklch(59.6% 0.122 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 #5F79CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.049
- Soft Blue #6488EA ΔE 0.054
- Cool Blue #4984B8 ΔE 0.055
- Steel Blue #4682B4 ΔE 0.058
- Dark Sky Blue #448EE4 ΔE 0.061
- Water Blue #0E87CC ΔE 0.063
- Cornflower #6A79F7 ΔE 0.064
- Off Blue #5684AE ΔE 0.065
Use #5F79CE 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.