#5266BD
Closest named color: French Blue (#436BAD). oklch(53.8% 0.137 271.4), rgb(82, 102, 189).
Aa
White text reads best on this color (5.25:1).
About this color
#5266BD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.137 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.035 away. White text reads best on it, at 5.25:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #5266BD |
| RGB | rgb(82, 102, 189) |
| HSL | hsl(229, 45%, 53%) |
| OKLCH | oklch(53.8% 0.137 271.4) |
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 #5266BD | 5.25:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #5266BD | 3.99:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #5266BD text on white | 5.25:1 | AA | Lc 75.9 | Fine for body text |
| #5266BD text on black | 3.99:1 | AA large text | Lc -25.8 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F6
oklch(93.5% 0.018 272.3)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300
#B2BFEA
oklch(80.9% 0.063 271.8)
-
Step 400
400
#8A9DDF
oklch(70.7% 0.099 271.4)
-
Step 500
500
#6E83D6
oklch(63% 0.127 271.6)
-
Step 600
600 (this color)
#5266BD
oklch(53.8% 0.137 271.4)
-
Step 700
700
#4759A8
oklch(49% 0.128 271.3)
-
Step 800
800
#3B4988
oklch(42.6% 0.105 271.8)
-
Step 900
900
#323E6D
oklch(37.7% 0.082 271.2)
-
Step 950
950
#1D2440
oklch(26.9% 0.053 271.8)
#5266BD 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) | #3E71C0 | 0.033 |
| Deuteranopia (no green cones) | #3068BB | 0.035 |
| Tritanopia (no blue cones) | #0F7988 | 0.122 |
| Achromatopsia (no color) | #6C6C6C | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5266BD
#5266BD
oklch(53.8% 0.137 271.4)
- #866B00
#866B00
oklch(53.9% 0.11 91.3)
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 #5266BD, closest first.
No curated palette has a color within ΔE 0.04 of #5266BD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.035
- Iris #6258C4 ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.046
- Mid Blue #276AB3 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.051
- Windows Blue #3778BF ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.056
- Royal Blue #4169E1 ΔE 0.057
Use #5266BD 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.