#4F6789
Closest named color: Denim (#3B638C). oklch(50.9% 0.062 257.1), rgb(79, 103, 137).
Aa
White text reads best on this color (5.77:1).
About this color
#4F6789 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.062 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.029 away. White text reads best on it, at 5.77:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #4F6789 |
| RGB | rgb(79, 103, 137) |
| HSL | hsl(215, 27%, 42%) |
| OKLCH | oklch(50.9% 0.062 257.1) |
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 #4F6789 | 5.77:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #4F6789 | 3.63:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #4F6789 text on white | 5.77:1 | AA | Lc 78.9 | Fine for body text |
| #4F6789 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B5C2D4
oklch(81% 0.029 256.5)
-
Step 400
400
#8EA2BF
oklch(70.7% 0.048 257.6)
-
Step 500
500
#728BAF
oklch(63.1% 0.062 257.5)
-
Step 600
600
#5A759A
oklch(55.6% 0.066 256.4)
-
Step 700
700 (this color)
#4F6789
oklch(50.9% 0.062 257.1)
-
Step 800
800
#3D506B
oklch(42.7% 0.051 257.2)
-
Step 900
900
#344257
oklch(37.6% 0.041 258.3)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#4F6789 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) | #5A698B | 0.017 |
| Deuteranopia (no green cones) | #546388 | 0.012 |
| Tritanopia (no blue cones) | #3B6E73 | 0.053 |
| Achromatopsia (no color) | #666666 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F6789
#4F6789
oklch(50.9% 0.062 257.1)
- #7A613C
#7A613C
oklch(50.9% 0.062 76.4)
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 #4F6789, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.029
- Metallic Blue #4F738E ΔE 0.035
- Dusky Blue #475F94 ΔE 0.035
- Slate #516572 ΔE 0.036
- Muted Blue #3B719F ΔE 0.042
- Dull Blue #49759C ΔE 0.044
- YInMn Blue #415A77 ΔE 0.049
- Dusty Grape #545775 ΔE 0.049
Use #4F6789 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.