#436A5D
Closest named color: Dark Green Blue (#1F6357). oklch(49.1% 0.049 171.2), rgb(67, 106, 93).
Aa
White text reads best on this color (6.07:1).
About this color
#436A5D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.049 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.043 away. White text reads best on it, at 6.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #436A5D |
| RGB | rgb(67, 106, 93) |
| HSL | hsl(160, 23%, 34%) |
| OKLCH | oklch(49.1% 0.049 171.2) |
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 #436A5D | 6.07:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #436A5D | 3.45:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #436A5D text on white | 6.07:1 | AA | Lc 80.3 | Fine for body text |
| #436A5D text on black | 3.45:1 | AA large text | Lc -21.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B2C6BE
oklch(80.9% 0.024 169.7)
-
Step 400
400
#8AA99D
oklch(70.8% 0.038 169.7)
-
Step 500
500
#6C9386
oklch(63% 0.047 172.2)
-
Step 600
600
#537E6F
oklch(55.7% 0.053 170.4)
-
Step 700
700 (this color)
#436A5D
oklch(49.1% 0.049 171.2)
-
Step 800
800
#37564C
oklch(42.6% 0.04 172.1)
-
Step 900
900
#30473F
oklch(37.6% 0.032 170.9)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#436A5D 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) | #68655C | 0.051 |
| Deuteranopia (no green cones) | #61605E | 0.049 |
| Tritanopia (no blue cones) | #386B66 | 0.016 |
| Achromatopsia (no color) | #626262 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436A5D
#436A5D
oklch(49.1% 0.049 171.2)
- #775564
#775564
oklch(49% 0.05 350.9)
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 #436A5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.043
- Dark Aqua #05696B ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.045
- Slate #516572 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.047
- Dim Gray #696969 ΔE 0.057
- Bluegreen #017A79 ΔE 0.058
- Deep Aqua #08787F ΔE 0.060
Use #436A5D 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.