#4B6980
Closest named color: Slate (#516572). oklch(50.7% 0.051 242), rgb(75, 105, 128).
Aa
White text reads best on this color (5.78:1).
About this color
#4B6980 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.051 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.022 away. White text reads best on it, at 5.78:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.63:1 |
| White text | 5.78:1 |
Values
| HEX | #4B6980 |
| RGB | rgb(75, 105, 128) |
| HSL | hsl(206, 26%, 40%) |
| OKLCH | oklch(50.7% 0.051 242) |
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 #4B6980 | 5.78:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #4B6980 | 3.63:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #4B6980 text on white | 5.78:1 | AA | Lc 78.9 | Fine for body text |
| #4B6980 text on black | 3.63:1 | AA large text | Lc -22.9 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B3C3CF
oklch(80.9% 0.024 240.2)
-
Step 400
400
#8CA4B7
oklch(70.7% 0.039 242)
-
Step 500
500
#6F8EA6
oklch(63.2% 0.05 241.8)
-
Step 600
600
#577891
oklch(55.7% 0.054 241.6)
-
Step 700
700 (this color)
#4B6980
oklch(50.7% 0.051 242)
-
Step 800
800
#3A5264
oklch(42.7% 0.042 241.3)
-
Step 900
900
#324452
oklch(37.7% 0.033 242.1)
-
Step 950
950
#1E2830
oklch(27.1% 0.02 242.7)
#4B6980 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) | #5F6981 | 0.027 |
| Deuteranopia (no green cones) | #586380 | 0.023 |
| Tritanopia (no blue cones) | #386F71 | 0.041 |
| Achromatopsia (no color) | #666666 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6980
#4B6980
oklch(50.7% 0.051 242)
- #7B5F47
#7B5F47
oklch(50.8% 0.051 61.9)
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 #4B6980, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.022
- Metallic Blue #4F738E ΔE 0.034
- Denim #3B638C ΔE 0.036
- YInMn Blue #415A77 ΔE 0.048
- Dull Blue #49759C ΔE 0.049
- Muted Blue #3B719F ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
- Dusty Grape #545775 ΔE 0.052
Use #4B6980 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.