#2D5F4F
Closest named color: Dark Green Blue (#1F6357). oklch(44.6% 0.061 170.3), rgb(45, 95, 79).
Aa
White text reads best on this color (7.33:1).
About this color
#2D5F4F is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.061 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.016 away. White text reads best on it, at 7.33:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #2D5F4F |
| RGB | rgb(45, 95, 79) |
| HSL | hsl(161, 36%, 27%) |
| OKLCH | oklch(44.6% 0.061 170.3) |
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 #2D5F4F | 7.33:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #2D5F4F | 2.86:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #2D5F4F text on white | 7.33:1 | AAA | Lc 85.4 | Fine for body text |
| #2D5F4F text on black | 2.86:1 | Fails | Lc -16.7 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#ABC8BD
oklch(80.8% 0.035 170.5)
-
Step 400
400
#7DAD9B
oklch(70.8% 0.058 169.5)
-
Step 500
500
#5A9883
oklch(63.1% 0.072 170.2)
-
Step 600
600
#3D826C
oklch(55.5% 0.079 170.1)
-
Step 700
700
#2E6E5A
oklch(49% 0.074 169.9)
-
Step 800
800 (this color)
#2D5F4F
oklch(44.6% 0.061 170.3)
-
Step 900
900
#254A3E
oklch(37.7% 0.048 170.5)
-
Step 950
950
#172B24
oklch(26.9% 0.029 169.8)
#2D5F4F 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) | #5D594E | 0.063 |
| Deuteranopia (no green cones) | #555450 | 0.059 |
| Tritanopia (no blue cones) | #1A605A | 0.020 |
| Achromatopsia (no color) | #565656 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5F4F
#2D5F4F
oklch(44.6% 0.061 170.3)
- #6E4659
#6E4659
oklch(44.6% 0.061 349.9)
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 #2D5F4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.016
- Pine #2B5D34 ΔE 0.040
- Spruce #0A5F38 ΔE 0.046
- Dark Aqua #05696B ΔE 0.046
- Petrol #005F6A ΔE 0.047
- Deep Teal #00555A ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Blue Green #005249 ΔE 0.055
Use #2D5F4F 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.