#43656E
Closest named color: Slate (#516572). oklch(48.4% 0.042 216.1), rgb(67, 101, 110).
Aa
White text reads best on this color (6.31:1).
About this color
#43656E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.042 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.020 away. White text reads best on it, at 6.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #43656E |
| RGB | rgb(67, 101, 110) |
| HSL | hsl(193, 24%, 35%) |
| OKLCH | oklch(48.4% 0.042 216.1) |
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 #43656E | 6.31:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #43656E | 3.32:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #43656E text on white | 6.31:1 | AA | Lc 81.4 | Fine for body text |
| #43656E text on black | 3.32:1 | AA large text | Lc -20.5 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D1DBDE
oklch(88.5% 0.012 217.6)
-
Step 300
300
#B3C4C9
oklch(80.9% 0.02 217.3)
-
Step 400
400
#8BA6AE
oklch(70.7% 0.032 217.6)
-
Step 500
500
#6D909A
oklch(63.1% 0.042 217.2)
-
Step 600
600
#557A84
oklch(55.5% 0.044 216.4)
-
Step 700
700 (this color)
#43656E
oklch(48.4% 0.042 216.1)
-
Step 800
800
#39545B
oklch(42.7% 0.034 215.7)
-
Step 900
900
#31454B
oklch(37.6% 0.027 218.3)
-
Step 950
950
#1D292C
oklch(27.1% 0.017 214.8)
#43656E 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) | #5F636F | 0.038 |
| Deuteranopia (no green cones) | #585D6E | 0.035 |
| Tritanopia (no blue cones) | #336868 | 0.023 |
| Achromatopsia (no color) | #606060 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43656E
#43656E
oklch(48.4% 0.042 216.1)
- #74574E
#74574E
oklch(48.4% 0.041 37.9)
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 #43656E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.020
- YInMn Blue #415A77 ΔE 0.042
- Dark Aqua #05696B ΔE 0.044
- Dusty Grape #545775 ΔE 0.051
- Denim #3B638C ΔE 0.052
- Deep Turquoise #017374 ΔE 0.052
- Petrol #005F6A ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.054
Use #43656E 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.