#576AD5
Closest named color: Royal Blue (#4169E1). oklch(56.5% 0.164 272.5), rgb(87, 106, 213).
Aa
White text reads best on this color (4.74:1).
About this color
#576AD5 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.164 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.031 away. White text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #576AD5 |
| RGB | rgb(87, 106, 213) |
| HSL | hsl(231, 60%, 59%) |
| OKLCH | oklch(56.5% 0.164 272.5) |
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 #576AD5 | 4.74:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #576AD5 | 4.42:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #576AD5 text on white | 4.74:1 | AA | Lc 72.6 | Content text, not long reading |
| #576AD5 text on black | 4.42:1 | AA large text | Lc -29.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#B0BEF1
oklch(80.8% 0.074 272.7)
-
Step 400
400
#889BEA
oklch(70.7% 0.118 272.8)
-
Step 500
500
#6B80E4
oklch(63% 0.152 272.4)
-
Step 600
600 (this color)
#576AD5
oklch(56.5% 0.164 272.5)
-
Step 700
700
#4555B6
oklch(49% 0.153 272.4)
-
Step 800
800
#394693
oklch(42.6% 0.127 272.7)
-
Step 900
900
#303C75
oklch(37.7% 0.098 272)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#576AD5 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) | #3079D9 | 0.048 |
| Deuteranopia (no green cones) | #156ED3 | 0.053 |
| Tritanopia (no blue cones) | #008295 | 0.143 |
| Achromatopsia (no color) | #737373 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576AD5
#576AD5
oklch(56.5% 0.164 272.5)
- #8E7300
#8E7300
oklch(56.5% 0.116 92.4)
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 #576AD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.031
- Slate Blue #6A5ACD ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.046
- Iris #6258C4 ΔE 0.049
- Neon Blue #4361EE ΔE 0.052
- Warm Blue #4B57DB ΔE 0.052
- Windows Blue #3778BF ΔE 0.061
Use #576AD5 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.