#4B5AAA
Closest named color: Dusky Blue (#475F94). oklch(49.6% 0.128 272.9), rgb(75, 90, 170).
Aa
White text reads best on this color (6.28:1).
About this color
#4B5AAA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.128 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.041 away. White text reads best on it, at 6.28:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #4B5AAA |
| RGB | rgb(75, 90, 170) |
| HSL | hsl(231, 39%, 48%) |
| OKLCH | oklch(49.6% 0.128 272.9) |
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 #4B5AAA | 6.28:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #4B5AAA | 3.34:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #4B5AAA text on white | 6.28:1 | AA | Lc 81.1 | Fine for body text |
| #4B5AAA text on black | 3.34:1 | AA large text | Lc -20.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300
#B3BFE9
oklch(81% 0.061 272.5)
-
Step 400
400
#8C9CDF
oklch(70.6% 0.1 273.3)
-
Step 500
500
#7083D6
oklch(63.2% 0.127 272.6)
-
Step 600
600
#5A6BC3
oklch(55.7% 0.137 273)
-
Step 700
700 (this color)
#4B5AAA
oklch(49.6% 0.128 272.9)
-
Step 800
800
#3C4988
oklch(42.7% 0.105 272.5)
-
Step 900
900
#333D6D
oklch(37.6% 0.083 272.9)
-
Step 950
950
#1E2440
oklch(27% 0.053 273.2)
#4B5AAA 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) | #3564AD | 0.033 |
| Deuteranopia (no green cones) | #295CA8 | 0.036 |
| Tritanopia (no blue cones) | #176C7A | 0.114 |
| Achromatopsia (no color) | #606060 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5AAA
#4B5AAA
oklch(49.6% 0.128 272.9)
- #766000
#766000
oklch(49.6% 0.102 93.2)
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 #4B5AAA, closest first.
No curated palette has a color within ΔE 0.04 of #4B5AAA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.045
- French Blue #436BAD ΔE 0.046
- Mid Blue #276AB3 ΔE 0.051
- Twilight #4E518B ΔE 0.052
- Iris #6258C4 ΔE 0.054
- Denim #3B638C ΔE 0.062
- Dusk #4E5481 ΔE 0.065
Use #4B5AAA 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.