#4B658B
Closest named color: Denim (#3B638C). oklch(50.2% 0.069 257.8), rgb(75, 101, 139).
Aa
White text reads best on this color (5.94:1).
About this color
#4B658B is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.069 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.020 away. White text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #4B658B |
| RGB | rgb(75, 101, 139) |
| HSL | hsl(216, 30%, 42%) |
| OKLCH | oklch(50.2% 0.069 257.8) |
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 #4B658B | 5.94:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #4B658B | 3.53:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #4B658B text on white | 5.94:1 | AA | Lc 79.7 | Fine for body text |
| #4B658B text on black | 3.53:1 | AA large text | Lc -22.2 | 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 700.
-
Step 50
50
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C2D6
oklch(81% 0.032 257.2)
-
Step 400
400
#8CA2C2
oklch(70.7% 0.053 257.7)
-
Step 500
500
#708BB3
oklch(63.1% 0.068 258.1)
-
Step 600
600
#58759E
oklch(55.7% 0.073 257.1)
-
Step 700
700 (this color)
#4B658B
oklch(50.2% 0.069 257.8)
-
Step 800
800
#3B506E
oklch(42.7% 0.057 257.3)
-
Step 900
900
#334259
oklch(37.6% 0.044 258.8)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#4B658B 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) | #57678D | 0.018 |
| Deuteranopia (no green cones) | #4F618A | 0.012 |
| Tritanopia (no blue cones) | #326D72 | 0.061 |
| Achromatopsia (no color) | #646464 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B658B
#4B658B
oklch(50.2% 0.069 257.8)
- #7A5F34
#7A5F34
oklch(50.3% 0.069 77.8)
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 #4B658B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.020
- Dusky Blue #475F94 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.041
- Slate #516572 ΔE 0.041
- Muted Blue #3B719F ΔE 0.042
- Metallic Blue #4F738E ΔE 0.042
- YInMn Blue #415A77 ΔE 0.045
- Dusty Grape #545775 ΔE 0.047
Use #4B658B 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.