#48508E
Closest named color: Twilight (#4E518B). oklch(45.5% 0.101 276.1), rgb(72, 80, 142).
Aa
White text reads best on this color (7.46:1).
About this color
#48508E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.101 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.011 away. White text reads best on it, at 7.46:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #48508E |
| RGB | rgb(72, 80, 142) |
| HSL | hsl(233, 33%, 42%) |
| OKLCH | oklch(45.5% 0.101 276.1) |
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 #48508E | 7.46:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #48508E | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #48508E text on white | 7.46:1 | AAA | Lc 85.8 | Fine for body text |
| #48508E text on black | 2.81:1 | Fails | Lc -16.2 | 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 800.
-
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
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300
#B6BEE7
oklch(80.9% 0.059 276.4)
-
Step 400
400
#909CDC
oklch(70.8% 0.095 275.6)
-
Step 500
500
#7682D2
oklch(63.2% 0.121 275.9)
-
Step 600
600
#606ABF
oklch(55.7% 0.131 276.2)
-
Step 700
700
#4F58A5
oklch(49.1% 0.122 275.9)
-
Step 800
800 (this color)
#48508E
oklch(45.5% 0.101 276.1)
-
Step 900
900
#373D6B
oklch(37.8% 0.079 276.3)
-
Step 950
950
#20243F
oklch(27.1% 0.05 276.1)
#48508E 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) | #385890 | 0.028 |
| Deuteranopia (no green cones) | #31528D | 0.029 |
| Tritanopia (no blue cones) | #2E5D68 | 0.089 |
| Achromatopsia (no color) | #555555 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #48508E
#48508E
oklch(45.5% 0.101 276.1)
- #665600
#665600
oklch(45.5% 0.094 96.6)
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 #48508E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.011
- Dusk #4E5481 ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.033
- Dusk Blue #26538D ΔE 0.040
- Dusky Blue #475F94 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Blueberry #464196 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.051
Use #48508E 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.