#4B50A2
Closest named color: Twilight (#4E518B). oklch(47% 0.13 277.5), rgb(75, 80, 162).
Aa
White text reads best on this color (7.07:1).
About this color
#4B50A2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.130 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.038 away. White text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #4B50A2 |
| RGB | rgb(75, 80, 162) |
| HSL | hsl(237, 37%, 46%) |
| OKLCH | oklch(47% 0.13 277.5) |
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 #4B50A2 | 7.07:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #4B50A2 | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #4B50A2 text on white | 7.07:1 | AAA | Lc 84.3 | Fine for body text |
| #4B50A2 text on black | 2.96:1 | Fails | Lc -17.7 | 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
#D3D8F1
oklch(88.6% 0.035 276.7)
-
Step 300
300
#B6BDEA
oklch(80.8% 0.064 277.9)
-
Step 400
400
#919ADF
oklch(70.6% 0.101 277.8)
-
Step 500
500
#7780D6
oklch(63% 0.129 277.5)
-
Step 600
600
#6168C3
oklch(55.6% 0.139 277.5)
-
Step 700
700 (this color)
#4B50A2
oklch(47% 0.13 277.5)
-
Step 800
800
#424789
oklch(42.8% 0.108 277.5)
-
Step 900
900
#373C6D
oklch(37.7% 0.083 277.2)
-
Step 950
950
#202340
oklch(26.9% 0.054 277.6)
#4B50A2 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) | #285CA5 | 0.046 |
| Deuteranopia (no green cones) | #1D55A0 | 0.049 |
| Tritanopia (no blue cones) | #246271 | 0.114 |
| Achromatopsia (no color) | #585858 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B50A2
#4B50A2
oklch(47% 0.13 277.5)
- #6A5A00
#6A5A00
oklch(46.9% 0.097 97.1)
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 #4B50A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.038
- Blueberry #464196 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.051
- Dusk #4E5481 ΔE 0.057
- Dusk Blue #26538D ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.064
Use #4B50A2 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.