#4F6174
Closest named color: Slate (#516572). oklch(48.5% 0.038 250), rgb(79, 97, 116).
Aa
White text reads best on this color (6.37:1).
About this color
#4F6174 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.038 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.014 away. White text reads best on it, at 6.37:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.29:1 |
| White text | 6.37:1 |
Values
| HEX | #4F6174 |
| RGB | rgb(79, 97, 116) |
| HSL | hsl(211, 19%, 38%) |
| OKLCH | oklch(48.5% 0.038 250) |
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 #4F6174 | 6.37:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #4F6174 | 3.29:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #4F6174 text on white | 6.37:1 | AA | Lc 81.7 | Fine for body text |
| #4F6174 text on black | 3.29:1 | AA large text | Lc -20.2 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CC
oklch(80.9% 0.018 248)
-
Step 400
400
#93A2B3
oklch(70.6% 0.03 251.6)
-
Step 500
500
#798CA0
oklch(63.2% 0.037 249.8)
-
Step 600
600
#62768B
oklch(55.7% 0.04 249.8)
-
Step 700
700 (this color)
#4F6174
oklch(48.5% 0.038 250)
-
Step 800
800
#425160
oklch(42.8% 0.031 248.6)
-
Step 900
900
#38434E
oklch(37.7% 0.024 248.5)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#4F6174 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) | #5A6175 | 0.016 |
| Deuteranopia (no green cones) | #555D74 | 0.014 |
| Tritanopia (no blue cones) | #446567 | 0.032 |
| Achromatopsia (no color) | #5F5F5F | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F6174
#4F6174
oklch(48.5% 0.038 250)
- #6D5C48
#6D5C48
oklch(48.6% 0.038 71.3)
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 #4F6174, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.014
- Dusty Grape #545775 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.031
- Denim #3B638C ΔE 0.043
- Dusk #4E5481 ΔE 0.050
- Dim Gray #696969 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.059
Use #4F6174 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.