#4966D1
Closest named color: Royal Blue (#4169E1). oklch(54.6% 0.168 268.8), rgb(73, 102, 209).
Aa
White text reads best on this color (5.11:1).
About this color
#4966D1 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.168 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.026 away. White text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #4966D1 |
| RGB | rgb(73, 102, 209) |
| HSL | hsl(227, 60%, 55%) |
| OKLCH | oklch(54.6% 0.168 268.8) |
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 #4966D1 | 5.11:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #4966D1 | 4.10:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #4966D1 text on white | 5.11:1 | AA | Lc 74.9 | Content text, not long reading |
| #4966D1 text on black | 4.10:1 | AA large text | Lc -26.8 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ACBFF2
oklch(80.8% 0.075 268.8)
-
Step 400
400
#819DEC
oklch(70.7% 0.12 268.4)
-
Step 500
500
#6382E6
oklch(63.1% 0.154 268.7)
-
Step 600
600 (this color)
#4966D1
oklch(54.6% 0.168 268.8)
-
Step 700
700
#3D57B8
oklch(49.1% 0.156 268.7)
-
Step 800
800
#324895
oklch(42.8% 0.129 268.5)
-
Step 900
900
#2C3D77
oklch(37.8% 0.101 268.9)
-
Step 950
950
#1A2445
oklch(27% 0.063 269.2)
#4966D1 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) | #2674D5 | 0.041 |
| Deuteranopia (no green cones) | #0068CF | 0.045 |
| Tritanopia (no blue cones) | #007F92 | 0.139 |
| Achromatopsia (no color) | #6E6E6E | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4966D1
#4966D1
oklch(54.6% 0.168 268.8)
- #8B6C00
#8B6C00
oklch(54.7% 0.112 88.7)
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 #4966D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.026
- Dark Periwinkle #665FD1 ΔE 0.039
- Warm Blue #4B57DB ΔE 0.040
- Iris #6258C4 ΔE 0.047
- Neon Blue #4361EE ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.053
- Cerulean Blue #056EEE ΔE 0.058
Use #4966D1 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.