#4E6171
Closest named color: Slate (#516572). oklch(48.3% 0.035 244), rgb(78, 97, 113).
Aa
White text reads best on this color (6.41:1).
About this color
#4E6171 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.035 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.013 away. White text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #4E6171 |
| RGB | rgb(78, 97, 113) |
| HSL | hsl(207, 18%, 37%) |
| OKLCH | oklch(48.3% 0.035 244) |
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 #4E6171 | 6.41:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #4E6171 | 3.27:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #4E6171 text on white | 6.41:1 | AA | Lc 81.9 | Fine for body text |
| #4E6171 text on black | 3.27:1 | AA large text | Lc -20.0 | 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
#B8C2CB
oklch(80.9% 0.017 245.1)
-
Step 400
400
#93A3B0
oklch(70.7% 0.026 242.5)
-
Step 500
500
#788C9D
oklch(63% 0.035 244)
-
Step 600
600
#617688
oklch(55.6% 0.037 244.4)
-
Step 700
700 (this color)
#4E6171
oklch(48.3% 0.035 244)
-
Step 800
800
#42515E
oklch(42.7% 0.029 244.7)
-
Step 900
900
#38434D
oklch(37.7% 0.022 245.9)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#4E6171 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) | #5B6172 | 0.019 |
| Deuteranopia (no green cones) | #565D71 | 0.016 |
| Tritanopia (no blue cones) | #436566 | 0.029 |
| Achromatopsia (no color) | #5F5F5F | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E6171
#4E6171
oklch(48.3% 0.035 244)
- #6D5B4A
#6D5B4A
oklch(48.4% 0.035 65.2)
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 #4E6171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.013
- YInMn Blue #415A77 ΔE 0.032
- Dusty Grape #545775 ΔE 0.033
- Denim #3B638C ΔE 0.046
- Dim Gray #696969 ΔE 0.051
- Dusk #4E5481 ΔE 0.053
- Dusky Blue #475F94 ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.061
Use #4E6171 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.