#2D584B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.5% 0.053 172), rgb(45, 88, 75).
Aa
White text reads best on this color (8.04:1).
About this color
#2D584B is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.053 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.033 away. White text reads best on it, at 8.04:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.60:1 |
| White text | 8.04:1 |
Values
| HEX | #2D584B |
| RGB | rgb(45, 88, 75) |
| HSL | hsl(162, 32%, 26%) |
| OKLCH | oklch(42.5% 0.053 172) |
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 #2D584B | 8.04:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #2D584B | 2.60:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #2D584B text on white | 8.04:1 | AAA | Lc 87.8 | Fine for body text |
| #2D584B text on black | 2.60:1 | Fails | Lc -14.4 | Not readable |
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
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ADC7BE
oklch(80.8% 0.031 172.6)
-
Step 400
400
#81AB9D
oklch(70.7% 0.05 172.3)
-
Step 500
500
#609685
oklch(63% 0.063 172.3)
-
Step 600
600
#45816F
oklch(55.7% 0.069 172.1)
-
Step 700
700
#366D5C
oklch(49.2% 0.065 171.2)
-
Step 800
800 (this color)
#2D584B
oklch(42.5% 0.053 172)
-
Step 900
900
#29493F
oklch(37.7% 0.042 172)
-
Step 950
950
#192B25
oklch(27.1% 0.026 171.3)
#2D584B 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) | #56534A | 0.056 |
| Deuteranopia (no green cones) | #4F4E4C | 0.053 |
| Tritanopia (no blue cones) | #1E5954 | 0.017 |
| Achromatopsia (no color) | #505050 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D584B
#2D584B
oklch(42.5% 0.053 172)
- #654251
#654251
oklch(42.4% 0.053 352.3)
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 #2D584B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.034
- Dark Blue Green #005249 ΔE 0.037
- Deep Teal #00555A ΔE 0.039
- Pine #2B5D34 ΔE 0.044
- Spruce #0A5F38 ΔE 0.050
- Petrol #005F6A ΔE 0.050
- Dark Teal #014D4E ΔE 0.052
Use #2D584B 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.