#436A5B
Closest named color: Dark Green Blue (#1F6357). oklch(49% 0.051 168.1), rgb(67, 106, 91).
Aa
White text reads best on this color (6.08:1).
About this color
#436A5B is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.051 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.043 away. White text reads best on it, at 6.08:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.45:1 |
| White text | 6.08:1 |
Values
| HEX | #436A5B |
| RGB | rgb(67, 106, 91) |
| HSL | hsl(157, 23%, 34%) |
| OKLCH | oklch(49% 0.051 168.1) |
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 #436A5B | 6.08:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #436A5B | 3.45:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #436A5B text on white | 6.08:1 | AA | Lc 80.3 | Fine for body text |
| #436A5B text on black | 3.45:1 | AA large text | Lc -21.5 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B2C6BD
oklch(80.9% 0.025 166.9)
-
Step 400
400
#8AA99C
oklch(70.8% 0.039 167.9)
-
Step 500
500
#6C9484
oklch(63.2% 0.05 168.1)
-
Step 600
600
#537E6D
oklch(55.6% 0.055 167.6)
-
Step 700
700 (this color)
#436A5B
oklch(49% 0.051 168.1)
-
Step 800
800
#38574B
oklch(42.9% 0.042 168.1)
-
Step 900
900
#30473E
oklch(37.6% 0.033 168.3)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#436A5B 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) | #68655A | 0.051 |
| Deuteranopia (no green cones) | #61605C | 0.049 |
| Tritanopia (no blue cones) | #396A66 | 0.019 |
| Achromatopsia (no color) | #626262 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436A5B
#436A5B
oklch(49% 0.051 168.1)
- #775566
#775566
oklch(49.1% 0.051 347.7)
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 #436A5B, 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 0.046
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.049
- Slate #516572 ΔE 0.049
- Dim Gray #696969 ΔE 0.059
- Dark Moss Green #606C38 ΔE 0.060
- Bluegreen #017A79 ΔE 0.060
Use #436A5B 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.