#2D5F4B
Closest named color: Dark Green Blue (#1F6357). oklch(44.4% 0.064 165.3), rgb(45, 95, 75).
Aa
White text reads best on this color (7.36:1).
About this color
#2D5F4B is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.064 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 0.020 away. White text reads best on it, at 7.36:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.85:1 |
| White text | 7.36:1 |
Values
| HEX | #2D5F4B |
| RGB | rgb(45, 95, 75) |
| HSL | hsl(156, 36%, 27%) |
| OKLCH | oklch(44.4% 0.064 165.3) |
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 #2D5F4B | 7.36:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #2D5F4B | 2.85:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #2D5F4B text on white | 7.36:1 | AAA | Lc 85.5 | Fine for body text |
| #2D5F4B text on black | 2.85:1 | Fails | Lc -16.6 | 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
#F2F6F4
oklch(97% 0.005 165)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#ABC9BB
oklch(81% 0.038 165.6)
-
Step 400
400
#7DAD98
oklch(70.7% 0.06 165.9)
-
Step 500
500
#5A987E
oklch(63% 0.076 165.4)
-
Step 600
600
#3D8367
oklch(55.6% 0.084 165)
-
Step 700
700
#2F6F56
oklch(49.2% 0.078 165.1)
-
Step 800
800 (this color)
#2D5F4B
oklch(44.4% 0.064 165.3)
-
Step 900
900
#264A3B
oklch(37.7% 0.05 165.1)
-
Step 950
950
#172B23
oklch(26.9% 0.03 166.8)
#2D5F4B 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) | #5D594A | 0.063 |
| Deuteranopia (no green cones) | #56544C | 0.061 |
| Tritanopia (no blue cones) | #1C5F59 | 0.024 |
| Achromatopsia (no color) | #565656 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5F4B
#2D5F4B
oklch(44.4% 0.064 165.3)
- #6D455C
#6D455C
oklch(44.4% 0.064 344.6)
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 #2D5F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.020
- Pine #2B5D34 ΔE 0.034
- Spruce #0A5F38 ΔE 0.040
- Dark Aqua #05696B ΔE 0.051
- Petrol #005F6A ΔE 0.053
- Dark Blue Green #005249 ΔE 0.055
- Deep Teal #00555A ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.055
Use #2D5F4B 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.