#4D616F
Closest named color: Slate (#516572). oklch(48.1% 0.033 238.9), rgb(77, 97, 111).
Aa
White text reads best on this color (6.45:1).
About this color
#4D616F is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.033 and its hue 239°. 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 6.45:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #4D616F |
| RGB | rgb(77, 97, 111) |
| HSL | hsl(205, 18%, 37%) |
| OKLCH | oklch(48.1% 0.033 238.9) |
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 #4D616F | 6.45:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #4D616F | 3.25:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #4D616F text on white | 6.45:1 | AA | Lc 82.0 | Fine for body text |
| #4D616F text on black | 3.25:1 | AA large text | Lc -19.9 | 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
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2CA
oklch(80.9% 0.016 241.8)
-
Step 400
400
#93A3AF
oklch(70.7% 0.025 240.2)
-
Step 500
500
#788D9B
oklch(63.2% 0.032 237.2)
-
Step 600
600
#607786
oklch(55.6% 0.036 236.9)
-
Step 700
700 (this color)
#4D616F
oklch(48.1% 0.033 238.9)
-
Step 800
800
#41515D
oklch(42.6% 0.028 240.7)
-
Step 900
900
#37434C
oklch(37.6% 0.022 240.6)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#4D616F 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) | #5B6170 | 0.020 |
| Deuteranopia (no green cones) | #565D6F | 0.017 |
| Tritanopia (no blue cones) | #436565 | 0.027 |
| Achromatopsia (no color) | #5E5E5E | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D616F
#4D616F
oklch(48.1% 0.033 238.9)
- #6D5A4C
#6D5A4C
oklch(48.2% 0.033 58.2)
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 #4D616F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.014
- YInMn Blue #415A77 ΔE 0.033
- Dusty Grape #545775 ΔE 0.036
- Denim #3B638C ΔE 0.049
- Dim Gray #696969 ΔE 0.051
- Dusk #4E5481 ΔE 0.056
- Dark Aqua #05696B ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.062
Use #4D616F 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.