#4F6089
Closest named color: Dusky Blue (#475F94). oklch(49.3% 0.069 266.6), rgb(79, 96, 137).
Aa
White text reads best on this color (6.23:1).
About this color
#4F6089 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.069 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.021 away. White text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.36:1 |
| White text | 6.23:1 |
Values
| HEX | #4F6089 |
| RGB | rgb(79, 96, 137) |
| HSL | hsl(222, 27%, 42%) |
| OKLCH | oklch(49.3% 0.069 266.6) |
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 #4F6089 | 6.23:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #4F6089 | 3.36:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #4F6089 text on white | 6.23:1 | AA | Lc 81.0 | Fine for body text |
| #4F6089 text on black | 3.36:1 | AA large text | Lc -20.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B7C1D7
oklch(81% 0.033 266.1)
-
Step 400
400
#91A0C3
oklch(70.6% 0.054 266.8)
-
Step 500
500
#7689B4
oklch(63.1% 0.069 266)
-
Step 600
600
#5F72A0
oklch(55.6% 0.075 266.7)
-
Step 700
700 (this color)
#4F6089
oklch(49.3% 0.069 266.6)
-
Step 800
800
#404E6F
oklch(42.6% 0.058 266.3)
-
Step 900
900
#37415A
oklch(37.7% 0.045 267.4)
-
Step 950
950
#202635
oklch(27% 0.029 267.5)
#4F6089 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) | #52638B | 0.010 |
| Deuteranopia (no green cones) | #4C5E88 | 0.008 |
| Tritanopia (no blue cones) | #3C686E | 0.062 |
| Achromatopsia (no color) | #616161 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F6089
#4F6089
oklch(49.3% 0.069 266.6)
- #725E30
#725E30
oklch(49.1% 0.069 86.3)
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 #4F6089, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.021
- Denim #3B638C ΔE 0.024
- Dusk #4E5481 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.035
- Dusty Grape #545775 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.038
- Slate #516572 ΔE 0.045
- Twilight #4E518B ΔE 0.045
Use #4F6089 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.