#4F668D
Closest named color: Denim (#3B638C). oklch(50.8% 0.068 260.7), rgb(79, 102, 141).
Aa
White text reads best on this color (5.80:1).
About this color
#4F668D is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.068 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.027 away. White text reads best on it, at 5.80:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #4F668D |
| RGB | rgb(79, 102, 141) |
| HSL | hsl(218, 28%, 43%) |
| OKLCH | oklch(50.8% 0.068 260.7) |
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 #4F668D | 5.80:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #4F668D | 3.61:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #4F668D text on white | 5.80:1 | AA | Lc 79.0 | Fine for body text |
| #4F668D text on black | 3.61:1 | AA large text | Lc -22.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
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
#B5C1D7
oklch(80.9% 0.034 262.7)
-
Step 400
400
#8EA2C2
oklch(70.8% 0.052 259.8)
-
Step 500
500
#728AB3
oklch(63% 0.068 261)
-
Step 600
600
#5A749F
oklch(55.6% 0.074 260.2)
-
Step 700
700 (this color)
#4F668D
oklch(50.8% 0.068 260.7)
-
Step 800
800
#3D4F6E
oklch(42.6% 0.057 261)
-
Step 900
900
#344259
oklch(37.7% 0.044 260.2)
-
Step 950
950
#1F2734
oklch(27.1% 0.027 260)
#4F668D 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) | #58698F | 0.016 |
| Deuteranopia (no green cones) | #51638C | 0.009 |
| Tritanopia (no blue cones) | #396E74 | 0.060 |
| Achromatopsia (no color) | #656565 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F668D
#4F668D
oklch(50.8% 0.068 260.7)
- #7A6136
#7A6136
oklch(50.8% 0.068 79.8)
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 #4F668D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.027
- Dusky Blue #475F94 ΔE 0.029
- Metallic Blue #4F738E ΔE 0.039
- Muted Blue #3B719F ΔE 0.040
- Slate #516572 ΔE 0.043
- Dull Blue #49759C ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.045
- Dusty Grape #545775 ΔE 0.050
Use #4F668D 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.