#4C52A9
Closest named color: Twilight (#4E518B). oklch(48% 0.137 276.9), rgb(76, 82, 169).
Aa
White text reads best on this color (6.80:1).
About this color
#4C52A9 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.137 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.048 away. White text reads best on it, at 6.80:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #4C52A9 |
| RGB | rgb(76, 82, 169) |
| HSL | hsl(236, 38%, 48%) |
| OKLCH | oklch(48% 0.137 276.9) |
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 #4C52A9 | 6.80:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #4C52A9 | 3.08:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #4C52A9 text on white | 6.80:1 | AA | Lc 83.2 | Fine for body text |
| #4C52A9 text on black | 3.08:1 | AA large text | Lc -18.7 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F2
oklch(88.6% 0.036 275.3)
-
Step 300
300
#B5BDEC
oklch(80.8% 0.067 277.2)
-
Step 400
400
#909AE2
oklch(70.7% 0.106 277.3)
-
Step 500
500
#7580DA
oklch(63.1% 0.135 276.5)
-
Step 600
600
#5F67C8
oklch(55.6% 0.148 276.9)
-
Step 700
700 (this color)
#4C52A9
oklch(48% 0.137 276.9)
-
Step 800
800
#41468C
oklch(42.7% 0.114 277.3)
-
Step 900
900
#363C70
oklch(37.8% 0.088 276.3)
-
Step 950
950
#202341
oklch(27% 0.056 277.7)
#4C52A9 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) | #255FAC | 0.049 |
| Deuteranopia (no green cones) | #1757A7 | 0.052 |
| Tritanopia (no blue cones) | #1E6575 | 0.120 |
| Achromatopsia (no color) | #5B5B5B | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C52A9
#4C52A9
oklch(48% 0.137 276.9)
- #6E5D00
#6E5D00
oklch(48.1% 0.099 96.7)
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 #4C52A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Dusky Blue #475F94 ΔE 0.054
- Iris #6258C4 ΔE 0.056
- Dusk Blue #26538D ΔE 0.066
- Dusk #4E5481 ΔE 0.067
- French Blue #436BAD ΔE 0.067
Use #4C52A9 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.