#4473D8
Closest named color: Royal Blue (#4169E1). oklch(57.5% 0.163 263.4), rgb(68, 115, 216).
Aa
Black text reads best on this color (4.68:1).
About this color
#4473D8 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.163 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.031 away. Black text reads best on it, at 4.68:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.68:1 |
| White text | 4.47:1 |
Values
| HEX | #4473D8 |
| RGB | rgb(68, 115, 216) |
| HSL | hsl(221, 65%, 56%) |
| OKLCH | oklch(57.5% 0.163 263.4) |
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 #4473D8 | 4.47:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #4473D8 | 4.68:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #4473D8 text on white | 4.47:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #4473D8 text on black | 4.68:1 | AA | Lc -30.9 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
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
#7A9FEA
oklch(70.6% 0.118 263.6)
-
Step 500
500
#5886E4
oklch(63.2% 0.15 263.1)
-
Step 600
600 (this color)
#4473D8
oklch(57.5% 0.163 263.4)
-
Step 700
700
#315BB6
oklch(49.2% 0.152 263.3)
-
Step 800
800
#294A93
oklch(42.6% 0.126 263.6)
-
Step 900
900
#253F75
oklch(37.7% 0.098 263.2)
-
Step 950
950
#162545
oklch(27% 0.063 263.8)
#4473D8 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) | #3E7EDC | 0.028 |
| Deuteranopia (no green cones) | #1D71D6 | 0.030 |
| Tritanopia (no blue cones) | #008B9B | 0.133 |
| Achromatopsia (no color) | #777777 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4473D8
#4473D8
oklch(57.5% 0.163 263.4)
- #9A7100
#9A7100
oklch(57.4% 0.118 83.2)
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 #4473D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.031
- Windows Blue #3778BF ΔE 0.045
- Cerulean Blue #056EEE ΔE 0.051
- Neon Blue #4361EE ΔE 0.057
- Clear Blue #247AFD ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.059
- Water Blue #0E87CC ΔE 0.063
- French Blue #436BAD ΔE 0.067
Use #4473D8 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.