#4D52A6
Closest named color: Twilight (#4E518B). oklch(47.8% 0.133 277.6), rgb(77, 82, 166).
Aa
White text reads best on this color (6.83:1).
About this color
#4D52A6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.133 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.044 away. White text reads best on it, at 6.83:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #4D52A6 |
| RGB | rgb(77, 82, 166) |
| HSL | hsl(237, 37%, 48%) |
| OKLCH | oklch(47.8% 0.133 277.6) |
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 #4D52A6 | 6.83:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #4D52A6 | 3.07:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #4D52A6 text on white | 6.83:1 | AA | Lc 83.4 | Fine for body text |
| #4D52A6 text on black | 3.07:1 | AA large text | Lc -18.6 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D7F1
oklch(88.4% 0.036 278.7)
-
Step 300
300
#B6BDEA
oklch(80.8% 0.064 277.9)
-
Step 400
400
#919AE0
oklch(70.6% 0.103 277.8)
-
Step 500
500
#7780D7
oklch(63.1% 0.13 277.5)
-
Step 600
600
#6168C5
oklch(55.7% 0.142 277.5)
-
Step 700
700 (this color)
#4D52A6
oklch(47.8% 0.133 277.6)
-
Step 800
800
#42468A
oklch(42.6% 0.111 278.1)
-
Step 900
900
#373C6E
oklch(37.7% 0.085 277.2)
-
Step 950
950
#202340
oklch(26.9% 0.054 277.6)
#4D52A6 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) | #295EA9 | 0.047 |
| Deuteranopia (no green cones) | #1E57A4 | 0.050 |
| Tritanopia (no blue cones) | #256574 | 0.117 |
| Achromatopsia (no color) | #5B5B5B | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D52A6
#4D52A6
oklch(47.8% 0.133 277.6)
- #6D5D00
#6D5D00
oklch(48% 0.099 97.4)
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 #4D52A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
- Blueberry #464196 ΔE 0.051
- Iris #6258C4 ΔE 0.059
- Dusk #4E5481 ΔE 0.062
- Dusk Blue #26538D ΔE 0.063
- French Blue #436BAD ΔE 0.067
Use #4D52A6 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.