#355B4B
Closest named color: Dark Green Blue (#1F6357). oklch(43.8% 0.051 165.5), rgb(53, 91, 75).
Aa
White text reads best on this color (7.63:1).
About this color
#355B4B is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.051 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.029 away. White text reads best on it, at 7.63:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.74:1 |
| White text | 7.63:1 |
Values
| HEX | #355B4B |
| RGB | rgb(53, 91, 75) |
| HSL | hsl(155, 26%, 28%) |
| OKLCH | oklch(43.8% 0.051 165.5) |
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 #355B4B | 7.63:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #355B4B | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #355B4B text on white | 7.63:1 | AAA | Lc 86.5 | Fine for body text |
| #355B4B text on black | 2.74:1 | Fails | Lc -15.6 | 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 800.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DDD6
oklch(88.6% 0.017 162.7)
-
Step 300
300
#AFC7BC
oklch(80.8% 0.03 166.3)
-
Step 400
400
#85AB99
oklch(70.8% 0.049 164.5)
-
Step 500
500
#659681
oklch(63.2% 0.062 165.9)
-
Step 600
600
#4B806A
oklch(55.6% 0.067 165.7)
-
Step 700
700
#3C6C58
oklch(49.1% 0.062 165.3)
-
Step 800
800 (this color)
#355B4B
oklch(43.8% 0.051 165.5)
-
Step 900
900
#2C483C
oklch(37.5% 0.04 165.5)
-
Step 950
950
#1A2A23
oklch(26.8% 0.025 165.5)
#355B4B 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) | #5A564A | 0.052 |
| Deuteranopia (no green cones) | #53524C | 0.048 |
| Tritanopia (no blue cones) | #2B5B56 | 0.019 |
| Achromatopsia (no color) | #535353 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355B4B
#355B4B
oklch(43.8% 0.051 165.5)
- #674658
#674658
oklch(43.7% 0.052 345.6)
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 #355B4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.029
- Pine #2B5D34 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.044
- Spruce #0A5F38 ΔE 0.050
- Deep Teal #00555A ΔE 0.050
- Dark Blue Green #005249 ΔE 0.051
- Petrol #005F6A ΔE 0.053
- Dark Aqua #05696B ΔE 0.057
Use #355B4B 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.