#4677DD
Closest named color: Royal Blue (#4169E1). oklch(58.8% 0.165 263), rgb(70, 119, 221).
Aa
Black text reads best on this color (4.94:1).
About this color
#4677DD is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.165 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.038 away. Black text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #4677DD |
| RGB | rgb(70, 119, 221) |
| HSL | hsl(221, 69%, 57%) |
| OKLCH | oklch(58.8% 0.165 263) |
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 #4677DD | 4.24:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #4677DD | 4.94:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #4677DD text on white | 4.24:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #4677DD text on black | 4.94:1 | AA | Lc -32.7 | 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 600.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A8C1F1
oklch(80.9% 0.074 263.3)
-
Step 400
400
#79A0EB
oklch(70.8% 0.119 262.7)
-
Step 500
500
#5786E4
oklch(63.1% 0.151 262.8)
-
Step 600
600 (this color)
#4677DD
oklch(58.8% 0.165 263)
-
Step 700
700
#2F5BB6
oklch(49.2% 0.153 262.7)
-
Step 800
800
#284B93
oklch(42.8% 0.126 262.8)
-
Step 900
900
#243F75
oklch(37.7% 0.098 262.6)
-
Step 950
950
#162545
oklch(27% 0.063 263.8)
#4677DD 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) | #4382E1 | 0.028 |
| Deuteranopia (no green cones) | #2374DB | 0.029 |
| Tritanopia (no blue cones) | #008F9F | 0.134 |
| Achromatopsia (no color) | #7B7B7B | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4677DD
#4677DD
oklch(58.8% 0.165 263)
- #9F7500
#9F7500
oklch(58.9% 0.121 83.4)
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 #4677DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.038
- Windows Blue #3778BF ΔE 0.050
- Clear Blue #247AFD ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.053
- Cornflower #6A79F7 ΔE 0.058
- Water Blue #0E87CC ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.060
- Soft Blue #6488EA ΔE 0.061
Use #4677DD 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.