#4677E0
Closest named color: Royal Blue (#4169E1). oklch(59% 0.169 263.3), rgb(70, 119, 224).
Aa
Black text reads best on this color (4.97:1).
About this color
#4677E0 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.169 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.037 away. Black text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #4677E0 |
| RGB | rgb(70, 119, 224) |
| HSL | hsl(221, 71%, 58%) |
| OKLCH | oklch(59% 0.169 263.3) |
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 #4677E0 | 4.22:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #4677E0 | 4.97:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #4677E0 text on white | 4.22:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #4677E0 text on black | 4.97:1 | AA | Lc -32.9 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CBDAF6
oklch(88.6% 0.042 263)
-
Step 300
300
#A7C1F3
oklch(80.9% 0.077 263.3)
-
Step 400
400
#799FEC
oklch(70.7% 0.121 263.6)
-
Step 500
500
#5785E6
oklch(63.1% 0.155 263.5)
-
Step 600
600 (this color)
#4677E0
oklch(59% 0.169 263.3)
-
Step 700
700
#2F5AB8
oklch(49.1% 0.157 263.3)
-
Step 800
800
#274A95
oklch(42.7% 0.13 263.2)
-
Step 900
900
#243F77
oklch(37.8% 0.101 263.1)
-
Step 950
950
#152545
oklch(26.9% 0.064 262.8)
#4677E0 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) | #4083E4 | 0.031 |
| Deuteranopia (no green cones) | #1C75DE | 0.031 |
| Tritanopia (no blue cones) | #0090A1 | 0.137 |
| Achromatopsia (no color) | #7B7B7B | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4677E0
#4677E0
oklch(59% 0.169 263.3)
- #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 #4677E0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.037
- Clear Blue #247AFD ΔE 0.047
- Cerulean Blue #056EEE ΔE 0.051
- Windows Blue #3778BF ΔE 0.054
- Cornflower #6A79F7 ΔE 0.055
- Soft Blue #6488EA ΔE 0.060
- Neon Blue #4361EE ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.060
Use #4677E0 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.