#4B656F
Closest named color: Slate (#516572). oklch(49% 0.035 223.6), rgb(75, 101, 111).
Aa
White text reads best on this color (6.19:1).
About this color
#4B656F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.035 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.010 away. White text reads best on it, at 6.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.39:1 |
| White text | 6.19:1 |
Values
| HEX | #4B656F |
| RGB | rgb(75, 101, 111) |
| HSL | hsl(197, 19%, 36%) |
| OKLCH | oklch(49% 0.035 223.6) |
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 #4B656F | 6.19:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #4B656F | 3.39:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #4B656F text on white | 6.19:1 | AA | Lc 80.9 | Fine for body text |
| #4B656F text on black | 3.39:1 | AA large text | Lc -21.0 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D3DBDE
oklch(88.6% 0.01 222.1)
-
Step 300
300
#B6C3C9
oklch(80.9% 0.017 227)
-
Step 400
400
#8FA5AD
oklch(70.8% 0.027 221.7)
-
Step 500
500
#748E99
oklch(63% 0.034 225.4)
-
Step 600
600
#5C7884
oklch(55.5% 0.037 226)
-
Step 700
700 (this color)
#4B656F
oklch(49% 0.035 223.6)
-
Step 800
800
#3E535B
oklch(42.8% 0.029 223.3)
-
Step 900
900
#35444A
oklch(37.6% 0.022 224.2)
-
Step 950
950
#1F282C
oklch(27% 0.015 226.6)
#4B656F 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) | #5F6470 | 0.028 |
| Deuteranopia (no green cones) | #5A5F6F | 0.026 |
| Tritanopia (no blue cones) | #3F6868 | 0.022 |
| Achromatopsia (no color) | #616161 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B656F
#4B656F
oklch(49% 0.035 223.6)
- #725A51
#725A51
oklch(48.9% 0.035 41.6)
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 #4B656F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.010
- YInMn Blue #415A77 ΔE 0.043
- Dim Gray #696969 ΔE 0.047
- Dusty Grape #545775 ΔE 0.048
- Denim #3B638C ΔE 0.052
- Dark Aqua #05696B ΔE 0.053
- Metallic Blue #4F738E ΔE 0.057
- Deep Turquoise #017374 ΔE 0.059
Use #4B656F 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.