#4E6373
Closest named color: Slate (#516572). oklch(48.9% 0.036 241.3), rgb(78, 99, 115).
Aa
White text reads best on this color (6.25:1).
About this color
#4E6373 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.036 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.008 away. White text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #4E6373 |
| RGB | rgb(78, 99, 115) |
| HSL | hsl(206, 19%, 38%) |
| OKLCH | oklch(48.9% 0.036 241.3) |
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 #4E6373 | 6.25:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #4E6373 | 3.35:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #4E6373 text on white | 6.25:1 | AA | Lc 81.2 | Fine for body text |
| #4E6373 text on black | 3.35:1 | AA large text | Lc -20.7 | 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
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B7C2CB
oklch(80.8% 0.018 242.5)
-
Step 400
400
#92A3B1
oklch(70.7% 0.028 242.9)
-
Step 500
500
#778D9E
oklch(63.2% 0.036 241.4)
-
Step 600
600
#5F7788
oklch(55.6% 0.039 239.2)
-
Step 700
700 (this color)
#4E6373
oklch(48.9% 0.036 241.3)
-
Step 800
800
#41515E
oklch(42.6% 0.03 243)
-
Step 900
900
#37434D
oklch(37.6% 0.023 243.5)
-
Step 950
950
#20272D
oklch(26.8% 0.015 244.2)
#4E6373 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) | #5C6374 | 0.020 |
| Deuteranopia (no green cones) | #575F73 | 0.016 |
| Tritanopia (no blue cones) | #436768 | 0.029 |
| Achromatopsia (no color) | #606060 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E6373
#4E6373
oklch(48.9% 0.036 241.3)
- #705C4B
#705C4B
oklch(49% 0.037 62.2)
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 #4E6373, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.008
- YInMn Blue #415A77 ΔE 0.036
- Dusty Grape #545775 ΔE 0.038
- Denim #3B638C ΔE 0.045
- Dim Gray #696969 ΔE 0.048
- Metallic Blue #4F738E ΔE 0.055
- Dusk #4E5481 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.059
Use #4E6373 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.