#2D5D55
Closest named color: Dark Green Blue (#1F6357). oklch(44.2% 0.054 181.5), rgb(45, 93, 85).
Aa
White text reads best on this color (7.47:1).
About this color
#2D5D55 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.054 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.020 away. White text reads best on it, at 7.47:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #2D5D55 |
| RGB | rgb(45, 93, 85) |
| HSL | hsl(170, 35%, 27%) |
| OKLCH | oklch(44.2% 0.054 181.5) |
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 #2D5D55 | 7.47:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #2D5D55 | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #2D5D55 text on white | 7.47:1 | AAA | Lc 85.9 | Fine for body text |
| #2D5D55 text on black | 2.80:1 | Fails | Lc -16.2 | 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
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#ABC8C2
oklch(81% 0.032 181.6)
-
Step 400
400
#7EABA3
oklch(70.6% 0.05 182.7)
-
Step 500
500
#5B978C
oklch(63.2% 0.065 181.1)
-
Step 600
600
#3E8176
oklch(55.6% 0.071 181.5)
-
Step 700
700
#306D63
oklch(49.1% 0.065 181.3)
-
Step 800
800 (this color)
#2D5D55
oklch(44.2% 0.054 181.5)
-
Step 900
900
#264943
oklch(37.7% 0.042 181.6)
-
Step 950
950
#172B27
oklch(27.1% 0.027 180)
#2D5D55 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) | #595855 | 0.058 |
| Deuteranopia (no green cones) | #515256 | 0.055 |
| Tritanopia (no blue cones) | #175F5A | 0.016 |
| Achromatopsia (no color) | #555555 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5D55
#2D5D55
oklch(44.2% 0.054 181.5)
- #6C4651
#6C4651
oklch(44.1% 0.054 0.7)
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 #2D5D55, 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
- Petrol #005F6A ΔE 0.037
- Deep Teal #00555A ΔE 0.042
- Dark Aqua #05696B ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Green #005249 ΔE 0.051
- Pine #2B5D34 ΔE 0.052
- Spruce #0A5F38 ΔE 0.056
Use #2D5D55 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.