#48557B
Closest named color: Dusk (#4E5481). oklch(45.5% 0.065 269.3), rgb(72, 85, 123).
Aa
White text reads best on this color (7.34:1).
About this color
#48557B is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.065 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.014 away. White text reads best on it, at 7.34:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.86:1 |
| White text | 7.34:1 |
Values
| HEX | #48557B |
| RGB | rgb(72, 85, 123) |
| HSL | hsl(225, 26%, 38%) |
| OKLCH | oklch(45.5% 0.065 269.3) |
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 #48557B | 7.34:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #48557B | 2.86:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #48557B text on white | 7.34:1 | AAA | Lc 85.5 | Fine for body text |
| #48557B text on black | 2.86:1 | Fails | Lc -16.6 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D3D9E7
oklch(88.5% 0.02 267.3)
-
Step 300
300
#B7C0DA
oklch(80.9% 0.038 270.4)
-
Step 400
400
#91A0C7
oklch(70.8% 0.06 268.4)
-
Step 500
500
#7688B9
oklch(63.2% 0.077 268.6)
-
Step 600
600
#5F71A5
oklch(55.6% 0.084 269)
-
Step 700
700
#4F5E8D
oklch(49% 0.078 269.9)
-
Step 800
800 (this color)
#48557B
oklch(45.5% 0.065 269.3)
-
Step 900
900
#37405D
oklch(37.6% 0.051 270.6)
-
Step 950
950
#202636
oklch(27% 0.031 268.4)
#48557B 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) | #48587D | 0.009 |
| Deuteranopia (no green cones) | #43547A | 0.008 |
| Tritanopia (no blue cones) | #385D62 | 0.059 |
| Achromatopsia (no color) | #565656 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #48557B
#48557B
oklch(45.5% 0.065 269.3)
- #65552A
#65552A
oklch(45.5% 0.064 89.3)
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 #48557B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.014
- YInMn Blue #415A77 ΔE 0.020
- Dusty Grape #545775 ΔE 0.022
- Twilight #4E518B ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.039
- Denim #3B638C ΔE 0.044
- Dusky Blue #475F94 ΔE 0.044
Use #48557B 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.