#3B5B4F
Closest named color: Dark Green Blue (#1F6357). oklch(44.2% 0.043 168.9), rgb(59, 91, 79).
Aa
White text reads best on this color (7.51:1).
About this color
#3B5B4F is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.043 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.031 away. White text reads best on it, at 7.51:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.79:1 |
| White text | 7.51:1 |
Values
| HEX | #3B5B4F |
| RGB | rgb(59, 91, 79) |
| HSL | hsl(158, 21%, 29%) |
| OKLCH | oklch(44.2% 0.043 168.9) |
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 #3B5B4F | 7.51:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #3B5B4F | 2.79:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #3B5B4F text on white | 7.51:1 | AAA | Lc 86.1 | Fine for body text |
| #3B5B4F text on black | 2.79:1 | Fails | Lc -16.0 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B2C6BE
oklch(80.9% 0.024 169.7)
-
Step 400
400
#89A99C
oklch(70.7% 0.04 168.5)
-
Step 500
500
#6B9484
oklch(63.2% 0.051 168.6)
-
Step 600
600
#527E6E
oklch(55.6% 0.055 169.4)
-
Step 700
700
#426A5C
oklch(49% 0.051 170)
-
Step 800
800 (this color)
#3B5B4F
oklch(44.2% 0.043 168.9)
-
Step 900
900
#30473E
oklch(37.6% 0.033 168.3)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#3B5B4F 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) | #59574E | 0.043 |
| Deuteranopia (no green cones) | #545350 | 0.042 |
| Tritanopia (no blue cones) | #335B57 | 0.015 |
| Achromatopsia (no color) | #555555 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B5B4F
#3B5B4F
oklch(44.2% 0.043 168.9)
- #664A57
#664A57
oklch(44.4% 0.043 349.5)
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 #3B5B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.044
- Pine #2B5D34 ΔE 0.050
- Petrol #005F6A ΔE 0.051
- Deep Teal #00555A ΔE 0.053
- Dark Aqua #05696B ΔE 0.055
- Dark Blue Green #005249 ΔE 0.058
- Spruce #0A5F38 ΔE 0.060
Use #3B5B4F 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.