#2D5F53
Closest named color: Dark Green Blue (#1F6357). oklch(44.7% 0.058 175.8), rgb(45, 95, 83).
Aa
White text reads best on this color (7.30:1).
About this color
#2D5F53 is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.058 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.014 away. White text reads best on it, at 7.30:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #2D5F53 |
| RGB | rgb(45, 95, 83) |
| HSL | hsl(166, 36%, 27%) |
| OKLCH | oklch(44.7% 0.058 175.8) |
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 #2D5F53 | 7.30:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #2D5F53 | 2.87:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #2D5F53 text on white | 7.30:1 | AAA | Lc 85.2 | Fine for body text |
| #2D5F53 text on black | 2.87:1 | Fails | Lc -16.8 | 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
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8C0
oklch(80.9% 0.033 177)
-
Step 400
400
#7DAC9F
oklch(70.7% 0.054 175.7)
-
Step 500
500
#599788
oklch(63% 0.069 176.7)
-
Step 600
600
#3C8271
oklch(55.6% 0.076 175.3)
-
Step 700
700
#2E6E5F
oklch(49.2% 0.07 175.5)
-
Step 800
800 (this color)
#2D5F53
oklch(44.7% 0.058 175.8)
-
Step 900
900
#254A41
oklch(37.8% 0.046 176.1)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#2D5F53 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) | #5C5A52 | 0.061 |
| Deuteranopia (no green cones) | #545454 | 0.058 |
| Tritanopia (no blue cones) | #17605B | 0.018 |
| Achromatopsia (no color) | #565656 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5F53
#2D5F53
oklch(44.7% 0.058 175.8)
- #6E4755
#6E4755
oklch(44.7% 0.057 356.5)
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 #2D5F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.014
- Petrol #005F6A ΔE 0.042
- Dark Aqua #05696B ΔE 0.042
- Pine #2B5D34 ΔE 0.047
- Deep Teal #00555A ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
- Spruce #0A5F38 ΔE 0.052
- Dark Blue Green #005249 ΔE 0.055
Use #2D5F53 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.