#435C58
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.031 184), rgb(67, 92, 88).
Aa
White text reads best on this color (7.21:1).
About this color
#435C58 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.031 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.040 away. White text reads best on it, at 7.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #435C58 |
| RGB | rgb(67, 92, 88) |
| HSL | hsl(170, 16%, 31%) |
| OKLCH | oklch(45.3% 0.031 184) |
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 #435C58 | 7.21:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #435C58 | 2.91:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #435C58 text on white | 7.21:1 | AAA | Lc 85.0 | Fine for body text |
| #435C58 text on black | 2.91:1 | Fails | Lc -17.0 | 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 800.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B5C5C2
oklch(81% 0.018 183.4)
-
Step 400
400
#8EA7A2
oklch(70.8% 0.029 182)
-
Step 500
500
#71918C
oklch(63.1% 0.037 184.6)
-
Step 600
600
#597B76
oklch(55.5% 0.039 184.9)
-
Step 700
700
#496863
oklch(49.2% 0.037 183.7)
-
Step 800
800 (this color)
#435C58
oklch(45.3% 0.031 184)
-
Step 900
900
#334643
oklch(37.7% 0.025 184.3)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#435C58 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) | #5A5958 | 0.034 |
| Deuteranopia (no green cones) | #555658 | 0.030 |
| Tritanopia (no blue cones) | #3C5D5B | 0.009 |
| Achromatopsia (no color) | #575757 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435C58
#435C58
oklch(45.3% 0.031 184)
- #664F54
#664F54
oklch(45.3% 0.032 3.9)
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 #435C58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.040
- Slate #516572 ΔE 0.050
- Petrol #005F6A ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dark Aqua #05696B ΔE 0.054
- YInMn Blue #415A77 ΔE 0.054
- Deep Teal #00555A ΔE 0.060
- Dusty Grape #545775 ΔE 0.062
Use #435C58 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.