#4B56A7
Closest named color: Dusky Blue (#475F94). oklch(48.6% 0.129 274.7), rgb(75, 86, 167).
Aa
White text reads best on this color (6.58:1).
About this color
#4B56A7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.129 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.043 away. White text reads best on it, at 6.58:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.18:1 |
| White text | 6.58:1 |
Values
| HEX | #4B56A7 |
| RGB | rgb(75, 86, 167) |
| HSL | hsl(233, 38%, 47%) |
| OKLCH | oklch(48.6% 0.129 274.7) |
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 #4B56A7 | 6.58:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #4B56A7 | 3.18:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #4B56A7 text on white | 6.58:1 | AA | Lc 82.4 | Fine for body text |
| #4B56A7 text on black | 3.18:1 | AA large text | Lc -19.5 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8F1
oklch(88.5% 0.035 274.9)
-
Step 300
300
#B4BEEA
oklch(80.9% 0.063 274.9)
-
Step 400
400
#8E9CDF
oklch(70.8% 0.099 274.5)
-
Step 500
500
#7382D6
oklch(63.2% 0.127 274.5)
-
Step 600
600
#5D6AC3
oklch(55.7% 0.138 274.8)
-
Step 700
700 (this color)
#4B56A7
oklch(48.6% 0.129 274.7)
-
Step 800
800
#3F4889
oklch(42.8% 0.107 275)
-
Step 900
900
#353D6D
oklch(37.7% 0.082 274.6)
-
Step 950
950
#1F2440
oklch(27% 0.052 274.7)
#4B56A7 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) | #3061AA | 0.038 |
| Deuteranopia (no green cones) | #2459A5 | 0.042 |
| Tritanopia (no blue cones) | #1D6876 | 0.115 |
| Achromatopsia (no color) | #5D5D5D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B56A7
#4B56A7
oklch(48.6% 0.129 274.7)
- #715E00
#715E00
oklch(48.6% 0.1 95.2)
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 #4B56A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.044
- Twilight #4E518B ΔE 0.045
- French Blue #436BAD ΔE 0.056
- Iris #6258C4 ΔE 0.058
- Mid Blue #276AB3 ΔE 0.060
- Blueberry #464196 ΔE 0.060
- Dusk #4E5481 ΔE 0.061
Use #4B56A7 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.