#4872BF
Closest named color: Windows Blue (#3778BF). oklch(55.9% 0.129 261.6), rgb(72, 114, 191).
Aa
White text reads best on this color (4.73:1).
About this color
#4872BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.129 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.021 away. White text reads best on it, at 4.73:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #4872BF |
| RGB | rgb(72, 114, 191) |
| HSL | hsl(219, 48%, 52%) |
| OKLCH | oklch(55.9% 0.129 261.6) |
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 #4872BF | 4.73:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #4872BF | 4.43:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #4872BF text on white | 4.73:1 | AA | Lc 72.7 | Content text, not long reading |
| #4872BF text on black | 4.43:1 | AA large text | Lc -29.0 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#ACC2E7
oklch(81% 0.058 260.8)
-
Step 400
400
#80A1DB
oklch(70.7% 0.093 261.4)
-
Step 500
500
#6089D1
oklch(63.2% 0.118 261.1)
-
Step 600
600 (this color)
#4872BF
oklch(55.9% 0.129 261.6)
-
Step 700
700
#395EA4
oklch(49% 0.12 261.9)
-
Step 800
800
#2F4D85
oklch(42.6% 0.1 261.8)
-
Step 900
900
#2A416A
oklch(37.7% 0.076 261.3)
-
Step 950
950
#19263E
oklch(27% 0.049 262)
#4872BF 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) | #5079C2 | 0.022 |
| Deuteranopia (no green cones) | #3F6EBD | 0.016 |
| Tritanopia (no blue cones) | #00838F | 0.108 |
| Achromatopsia (no color) | #737373 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4872BF
#4872BF
oklch(55.9% 0.129 261.6)
- #966C00
#966C00
oklch(55.9% 0.115 81.6)
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 #4872BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.021
- French Blue #436BAD ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.040
- Mid Blue #276AB3 ΔE 0.043
- Nice Blue #107AB0 ΔE 0.050
- Steel Blue #4682B4 ΔE 0.052
- Muted Blue #3B719F ΔE 0.053
- Cool Blue #4984B8 ΔE 0.055
Use #4872BF 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.