#435F57
Closest named color: Dark Green Blue (#1F6357). oklch(46.1% 0.036 175.1), rgb(67, 95, 87).
Aa
White text reads best on this color (6.96:1).
About this color
#435F57 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.036 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.035 away. White text reads best on it, at 6.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #435F57 |
| RGB | rgb(67, 95, 87) |
| HSL | hsl(163, 17%, 32%) |
| OKLCH | oklch(46.1% 0.036 175.1) |
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 #435F57 | 6.96:1 | AA | Lc -89.1 | Fine for body text |
| Black text on #435F57 | 3.01:1 | AA large text | Lc 19.9 | Dividers and decoration only |
| #435F57 text on white | 6.96:1 | AA | Lc 84.1 | Fine for body text |
| #435F57 text on black | 3.01:1 | AA large text | Lc -17.9 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B6C4C0
oklch(80.8% 0.016 177)
-
Step 400
400
#8FA79F
oklch(70.8% 0.029 173.3)
-
Step 500
500
#749188
oklch(63.2% 0.035 174.3)
-
Step 600
600
#5C7B72
oklch(55.6% 0.038 175.1)
-
Step 700
700 (this color)
#435F57
oklch(46.1% 0.036 175.1)
-
Step 800
800
#3E554E
oklch(42.8% 0.03 174.1)
-
Step 900
900
#354641
oklch(37.8% 0.023 175.1)
-
Step 950
950
#1F2926
oklch(27% 0.015 174.9)
#435F57 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) | #5D5C57 | 0.037 |
| Deuteranopia (no green cones) | #585858 | 0.036 |
| Tritanopia (no blue cones) | #3C605D | 0.011 |
| Achromatopsia (no color) | #595959 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435F57
#435F57
oklch(46.1% 0.036 175.1)
- #695059
#695059
oklch(46% 0.036 355.1)
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 #435F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.035
- Slate #516572 ΔE 0.049
- Dark Aqua #05696B ΔE 0.050
- Petrol #005F6A ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.059
- YInMn Blue #415A77 ΔE 0.060
- Pine #2B5D34 ΔE 0.064
- Deep Teal #00555A ΔE 0.066
Use #435F57 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.