#476DD9
Closest named color: Royal Blue (#4169E1). oklch(56.5% 0.171 266.4), rgb(71, 109, 217).
Aa
White text reads best on this color (4.71:1).
About this color
#476DD9 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.171 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.018 away. White text reads best on it, at 4.71:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #476DD9 |
| RGB | rgb(71, 109, 217) |
| HSL | hsl(224, 66%, 56%) |
| OKLCH | oklch(56.5% 0.171 266.4) |
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 #476DD9 | 4.71:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #476DD9 | 4.45:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #476DD9 text on white | 4.71:1 | AA | Lc 72.4 | Content text, not long reading |
| #476DD9 text on black | 4.45:1 | AA large text | Lc -29.3 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CCD9F6
oklch(88.5% 0.042 266.3)
-
Step 300
300
#AAC0F3
oklch(80.9% 0.076 266.5)
-
Step 400
400
#7D9EEE
oklch(70.8% 0.123 266.3)
-
Step 500
500
#5D83E8
oklch(63.1% 0.158 266.4)
-
Step 600
600 (this color)
#476DD9
oklch(56.5% 0.171 266.4)
-
Step 700
700
#3758BA
oklch(49.2% 0.159 266.5)
-
Step 800
800
#2D4896
oklch(42.6% 0.132 266.4)
-
Step 900
900
#283D77
oklch(37.6% 0.102 266.5)
-
Step 950
950
#182446
oklch(26.9% 0.065 267.3)
#476DD9 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) | #2F7ADD | 0.035 |
| Deuteranopia (no green cones) | #006DD7 | 0.041 |
| Tritanopia (no blue cones) | #008699 | 0.139 |
| Achromatopsia (no color) | #737373 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #476DD9
#476DD9
oklch(56.5% 0.171 266.4)
- #947000
#947000
oklch(56.5% 0.116 86.2)
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 #476DD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.018
- Neon Blue #4361EE ΔE 0.045
- Cerulean Blue #056EEE ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.048
- Warm Blue #4B57DB ΔE 0.053
- Windows Blue #3778BF ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.061
- Clear Blue #247AFD ΔE 0.062
Use #476DD9 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.