#4872CD
Closest named color: Windows Blue (#3778BF). oklch(56.8% 0.148 263.7), rgb(72, 114, 205).
Aa
White text reads best on this color (4.60:1).
About this color
#4872CD is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.148 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.033 away. White text reads best on it, at 4.60:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.56:1 |
| White text | 4.60:1 |
Values
| HEX | #4872CD |
| RGB | rgb(72, 114, 205) |
| HSL | hsl(221, 57%, 54%) |
| OKLCH | oklch(56.8% 0.148 263.7) |
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 #4872CD | 4.60:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #4872CD | 4.56:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #4872CD text on white | 4.60:1 | AA | Lc 71.7 | Content text, not long reading |
| #4872CD text on black | 4.56:1 | AA | Lc -30.0 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDDAF2
oklch(88.6% 0.036 262.8)
-
Step 300
300
#ABC1ED
oklch(80.9% 0.067 264.1)
-
Step 400
400
#7EA0E3
oklch(70.7% 0.106 263.3)
-
Step 500
500
#5E86DC
oklch(63% 0.137 264)
-
Step 600
600 (this color)
#4872CD
oklch(56.8% 0.148 263.7)
-
Step 700
700
#375CAE
oklch(49.2% 0.138 263.8)
-
Step 800
800
#2D4B8D
oklch(42.6% 0.115 263.8)
-
Step 900
900
#283F70
oklch(37.5% 0.089 263.7)
-
Step 950
950
#182542
oklch(26.9% 0.057 264.6)
#4872CD 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) | #467CD0 | 0.026 |
| Deuteranopia (no green cones) | #306FCB | 0.024 |
| Tritanopia (no blue cones) | #008795 | 0.124 |
| Achromatopsia (no color) | #757575 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4872CD
#4872CD
oklch(56.8% 0.148 263.7)
- #976F00
#976F00
oklch(56.7% 0.116 83.5)
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 #4872CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.033
- Royal Blue #4169E1 ΔE 0.042
- French Blue #436BAD ΔE 0.052
- Mid Blue #276AB3 ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.061
- Water Blue #0E87CC ΔE 0.061
- Cerulean Blue #056EEE ΔE 0.064
Use #4872CD 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.